2006 Hottest Year in U.S.

Fuckallyall

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You’re trying to mate me with a bunch of questions you are having with yourself. The data is empirical, how you interpret it is up to your personal political spin.

All data is empirical, and needs processing to become information. You wannabe tyrants are the ones with the personal politics involved. Your own predictions don't come true, then you change your own agreed upon scientific processes in order to make it true. Then when you get challenged, it's off to the "let's call those who don't agree with us meanies" market.
:smh:
And if you want to see some spin, look at realclimate.com, and the blog of Hansen, oh yeah, and the IPCC
 

thoughtone

Rising Star
BGOL Investor
All data is empirical, and needs processing to become information. You wannabe tyrants are the ones with the personal politics involved. Your own predictions don't come true, then you change your own agreed upon scientific processes in order to make it true. Then when you get challenged, it's off to the "let's call those who don't agree with us meanies" market.
:smh:
And if you want to see some spin, look at realclimate.com, and the blog of Hansen, oh yeah, and the IPCC

So you can’t discredit the data, or my statement about who is more credible?
 

sharkbait28

Unionize & Prepare For Automation
International Member
Man....some of you cats are fast asleep. The largest peer-reviewed study ever conducted (see IPCC) has concluded that humans are infact contributing to climate change.

There's no significant scientific debate on this anymore outside of some legitimate fringe scientists and oil industry shills.

For those of you with political axes to grind ("let's keep the big bad government out of everything" types)...here's a compelling argument to act on the data we have (whether you find the data convincing or not)

www.break.com/index/tough-to-argue.html
 

thoughtone

Rising Star
BGOL Investor
Man....some of you cats are fast asleep. The largest peer-reviewed study ever conducted (see IPCC) has concluded that humans are infact contributing to climate change.

There's no significant scientific debate on this anymore outside of some legitimate fringe scientists and oil industry shills.

For those of you with political axes to grind ("let's keep the big bad government out of everything" types)...here's a compelling argument to act on the data we have (whether you find the data convincing or not)

www.break.com/index/tough-to-argue.html

Don't waste your energy. They are too far gone. The Kool Aid is too powerful.

BTW, the earth is flat and it was created is seven days.
 
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Fuckallyall

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So you can’t discredit the data, or my statement about who is more credible?

As usual, you drive around the issue. The data is the data, but what people say it means is where the issue lies. The predictions of the mainstream have not come true. The heating in the stratosphere (which is one of the main indicators for AGM) is not what is predicted, so they then say that warming alone is an indicator of AGM. Also, the Polar ice cap is melting far faster, and is thinner than ANY guess made.

I could go on, and let me know if you want to.

There goes those facts again !
 

sharkbait28

Unionize & Prepare For Automation
International Member
As usual, you drive around the issue. The data is the data, but what people say it means is where the issue lies. The predictions of the mainstream have not come true. The heating in the stratosphere (which is one of the main indicators for AGM) is not what is predicted, so they then say that warming alone is an indicator of AGM. Also, the Polar ice cap is melting far faster, and is thinner than ANY guess made.

I could go on, and let me know if you want to.

There goes those facts again !

Nope....sorry to wade into the fray like this but you've got it all twisted up broham. The only "issue" that matters here is that our actions are contributing to climate change....and this has disastrous consequences for the sustainaibility of life on this planet.

What that "means" is that we need to take action to reduce and ultimatley reverse the impact we're having.

The truth is....there's a marginal statistical probability that you're right, but this is an odds game that we can't afford to lose. The stakes are much too high.
 

sharkbait28

Unionize & Prepare For Automation
International Member
Don't waste your energy. They are too far gone. The Kool Aid is to powerful.

BTW, the earth is flat and it was created is seven days.

:lol::lol:

The Kool-Aid is strong. There is a vast machinery out there that has been working overtime throughout the past 14 years or so to muddle the facts surrounding global warming. It's not a consipiracy.....the facts are well documented.

There are a handul of serious scientists that refute global warming but that is to be expected. The science that proves human impact is about as close to scientific consensus as has ever been achieved.
 

thoughtone

Rising Star
BGOL Investor
As usual, you drive around the issue. The data is the data, but what people say it means is where the issue lies. The predictions of the mainstream have not come true. The heating in the stratosphere (which is one of the main indicators for AGM) is not what is predicted, so they then say that warming alone is an indicator of AGM. Also, the Polar ice cap is melting far faster, and is thinner than ANY guess made.

I could go on, and let me know if you want to.

There goes those facts again !

pd_yawning_070730_ms.jpg
 

Fuckallyall

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:lol::lol:

The Kool-Aid is strong. There is a vast machinery out there that has been working overtime throughout the past 14 years or so to muddle the facts surrounding global warming. It's not a consipiracy.....the facts are well documented.

There are a handul of serious scientists that refute global warming but that is to be expected. The science that proves human impact is about as close to scientific consensus as has ever been achieved.

Not true at all. Scientific certainty was 95%. When it came to AGW, they somehow dropped the number to 90%, and did not get that close. They also did the same thing with second hand smoke.

Now, to clarify myself again - I do not doubt that the earth is warming. It is. But I do doubt that

A. It is primarily due to mankind, and,

B. The burning of fossil fuels is the primary driver.

More CO2 is put into the air by deforestation than the burning of fossil fuels. Deforestation also increases the "heat island" effect by virtue of there being less forest to absorb the heat from the sun and turn it into carbohydrates.

And you are right, the stakes are too high - to act on whims and fears, as much of the scientific community wanted to do 30 years ago, when we were in a 30+ years cooling trend, even though we were steadily increasing the CO2 levels the whole way.

Also, the satellite readings and images we rely upon started tthier readings whjen we were just starting to warm up after the cooling period previously mentioned. So you are starting from an unusual place to begin with.
 

thoughtone

Rising Star
BGOL Investor
Not true at all. Scientific certainty was 95%. When it came to AGW, they somehow dropped the number to 90%, and did not get that close. They also did the same thing with second hand smoke.

Now, to clarify myself again - I do not doubt that the earth is warming. It is. But I do doubt that

A. It is primarily due to mankind, and,

B. The burning of fossil fuels is the primary driver.

More CO2 is put into the air by deforestation than the burning of fossil fuels. Deforestation also increases the "heat island" effect by virtue of there being less forest to absorb the heat from the sun and turn it into carbohydrates.

And you are right, the stakes are too high - to act on whims and fears, as much of the scientific community wanted to do 30 years ago, when we were in a 30+ years cooling trend, even though we were steadily increasing the CO2 levels the whole way.

Also, the satellite readings and images we rely upon started tthier readings whjen we were just starting to warm up after the cooling period previously mentioned. So you are starting from an unusual place to begin with.

At least you are coming along to our side slowly. Those oil profits are like crack. Do you work for Exxon?
 

Fuckallyall

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At least you are coming along to our side slowly. Those oil profits are like crack. Do you work for Exxon?

No, it's that I am speaking slow enough for you to understand. I've been saying the same thing all along.

Do you work for China ? India ? The Agricultural industry? Or maybe GE ?

All of these entities benefit from what you and yours are trying to do.

I'm sick of the high - minded but low - thinking folks like you who simply cannot have a logical discussion without demonizing the other side.

You are no different than the Klansman who called whites who did not agree with the oppression of black people "****** lovers".

As I have said before, I'll be damned if my ancestors fought off one tyrannt just to have half-witted "know it all" wannabe tyrants like you run my life.
 

QueEx

Rising Star
Super Moderator
<font size="5"><center>
Met Office says 2010 'among hottest on record'
</font size><font size="4">
(The Met Office is the UK's National Weather Service)</center></font size>



_50157270_003269418-1.jpg

The latest temperature statistics are a sign of
man-made global warming, the Met Office says



dark.png

By Roger Harrabin
Environment analyst
26 November 2010


This year is heading to be the hottest or second hottest on record, according to the Met Office.

It says the past 12 months are the warmest recorded by Nasa, and are second in the UK data set, HadCRUT3.

The Met Office says it is very confident that man-made global warming is forcing up temperatures.

Until now, the hottest year on record has been 1998, when temperatures were pushed up by a strong El Nino - a warming event in the Pacific.

This year saw a weaker El Nino, and that fizzled out to be replaced by a La Nina cooling event.

So scientists might have expected this year's temperatures to be substantially lower than 1998 - but they are not. Within the bounds of statistical error, the two years are likely to be the same.

"It's a sign that we've got man-made global warming," said Dr Vicky Pope, head of climate science advice at the Met Office.


Increase expected

The last decade was the hottest on record, and Dr Pope warns it will turn out to have been even hotter by about 0.03C when corrections are made to data taken from buoys at sea.

The buoys take temperature measurements a metre below the surface, where it is slightly cooler than on the surface itself. Measurements were previously taken mainly by ships.

Climate sceptics say that until now, warming has plateaued over the last decade. The Met Office agrees that the rate of warming has slowed - but it maintains that is due to natural variability, not because man-made warming has stopped.

They think factors in the slower warming may have been - a natural downturn in solar radiation; a small reduction in water vapour in the stratosphere; a possible increase in aerosol emissions from Asia; and the fact that strong warming in the Arctic is poorly represented in the way data is collected.

Dr Pope says the slowdown in temperature rise is consistent with projections from climate models. She also says she expects warming to increase in the next few years.

"The long-term warming trend is 0.16C," she says. "In the last 10 years the rate decreased to between 0.05 and 0.13.

"There are a number of things that are affecting short-term temperatures. A lot of the heat could be distributed to the deep oceans and we don't know what's going on there."


'No proof'

There is a question over how many times the Met Office has forecast a record previously. Dr Pope said they had not done so from her recollection.

But a Met Office press release shows a forecast that 2007 would probably beat 1998. And a BBC report implies that they made the same prediction for the other El Nino year of 2003.

Sceptics say this could prove the third time they have been wrong.

But it is impossible to be wrong with a probabilistic forecast unless the forecast is 100%. It would certainly have eased pressure on the Met Office, though, if their 2010 forecast had been seen to be spectacularly accurate.

Professor John Christy, a climate sceptic from the University of Alabama in Hunstville, said global temperature had plunged in the past two weeks, so 2010 was likely to remain in second place.

He challenged the Met Office conviction that greenhouse gases were to blame for the warmth.

"The cause of the warmth is speculation. There are numerous feedbacks at work (many of which are poorly modelled if at all), and it seems to me unimaginative to conclude that greenhouse gases are the dominant cause," he said.

"There is no proof of such a cause in classical scientific sense - so we end up with a lot of opinions on the matter. Evidence is strong that centuries in the past 10,000 years were warmer than today without influences from human-related greenhouse gases."



http://www.bbc.co.uk/news/uk-11841368
 

muckraker10021

Superstar *****
BGOL Investor

The country of GERMANY covers an area of 137,847 square miles.

The U.S. State of TEXAS covers an area of 268,820 square miles.

The entire U.S. covers an area of 3,537,441 square miles.

Which one produces the most alternative energy (Solar, Wind, Thermal etc.)??????

The answer is GERMANY! Yes GERMANY- despite being smaller in area than TEXAS and having cloudy weather, Germany produces more solar energy than the ENTIRE United States of America!!!!

Why?

Government energy policy, financial incentives, accelerated depreciation alternative energy tax policies etc. Everything the INTERNATIONAL OIL CARTEL through lobbyist (legal bribery) has prevented the US Government from implementing.

President Jimmy Carter wanted to implement a GERMANY style energy policy in the late seventies. Big Oil crushed his ideas, put their money behind Ronald Reagan, Reagan was elected and any idea of a national energy policy was trashed. On Reagan's first day at the White House the solar panels that Carter had installed on the White House roof were immediately taken down.

Fast forward to today. The entire global warming denial campaign is being funded by the INTERNATIONAL OIL CARTEL including the scientists who are paid to issue climate change denial reports.

During the BuShit administration the INTERNATIONAL OIL CARTEL actually had sycophants in the White House erasing global warming facts from official government documents.

The edits were made by Philip Cooney, then chief of staff of the White House Council on Environmental Quality, who formerly worked for the American Petroleum Institute and led the oil industry’s drive to delete global warming facts from official government documents Mr. Cooney is a lawyer with no scientific training who, upon leaving the BuShit Administration, went to work for Exxon.

The best bullshit meters I’ve found is to follow the advice being given to the BIG money capitalists. I’m talking about the financial advice given to people worth at least $20,000,000. Private bank clients whose number across the entire world is multiplying rapidly.

Read the research report below that I get from Morgan Stanley Private Bank. This report is sent to their private bank customers. You need at least $10,000,000 liquid assets (cash, stocks, bonds, munis, etc.) to open an account. What are they telling their millionaire & billionaire customers as it pertains to climate change? Are they telling them that “global warming” is a HOAX like <s>FOX</s> FAKE News tells its moron viewers? No!
As the report states:
<blockquote>
“The Earth’s temperature is rising (see Figure 2). However, climate change means much more than just warmer winters and hotter summers. Along with melting snow cover and changing precipitation patterns comes an increasing number and broader range of droughts and floods. These events, in turn, could lead to huge population shifts and major political unrest. Meanwhile many climate change advocates caution that the latest science reveals that the problem is actually worsening faster than even they had anticipated (see Figure 3 on page 3).
</blockquote>


<iframe src="http://www.keepandshare.com/doc16/8249/climate-change-report-pdf-1-5-meg?da=y&ifr=y" width="900" height="1000" scrolling="yes" frameborder="1"></iframe>
 
Last edited:

Fuckallyall

Support BGOL
Registered
<font size="5"><center>
Met Office says 2010 'among hottest on record'
</font size><font size="4">
(The Met Office is the UK's National Weather Service)</center></font size>



_50157270_003269418-1.jpg

The latest temperature statistics are a sign of
man-made global warming, the Met Office says



dark.png

By Roger Harrabin
Environment analyst
26 November 2010


This year is heading to be the hottest or second hottest on record, according to the Met Office.

It says the past 12 months are the warmest recorded by Nasa, and are second in the UK data set, HadCRUT3.

The Met Office says it is very confident that man-made global warming is forcing up temperatures.

Until now, the hottest year on record has been 1998, when temperatures were pushed up by a strong El Nino - a warming event in the Pacific.

This year saw a weaker El Nino, and that fizzled out to be replaced by a La Nina cooling event.

So scientists might have expected this year's temperatures to be substantially lower than 1998 - but they are not. Within the bounds of statistical error, the two years are likely to be the same.

"It's a sign that we've got man-made global warming," said Dr Vicky Pope, head of climate science advice at the Met Office.


Increase expected

The last decade was the hottest on record, and Dr Pope warns it will turn out to have been even hotter by about 0.03C when corrections are made to data taken from buoys at sea.

The buoys take temperature measurements a metre below the surface, where it is slightly cooler than on the surface itself. Measurements were previously taken mainly by ships.

Climate sceptics say that until now, warming has plateaued over the last decade. The Met Office agrees that the rate of warming has slowed - but it maintains that is due to natural variability, not because man-made warming has stopped.

They think factors in the slower warming may have been - a natural downturn in solar radiation; a small reduction in water vapour in the stratosphere; a possible increase in aerosol emissions from Asia; and the fact that strong warming in the Arctic is poorly represented in the way data is collected.

Dr Pope says the slowdown in temperature rise is consistent with projections from climate models. She also says she expects warming to increase in the next few years.

"The long-term warming trend is 0.16C," she says. "In the last 10 years the rate decreased to between 0.05 and 0.13.

"There are a number of things that are affecting short-term temperatures. A lot of the heat could be distributed to the deep oceans and we don't know what's going on there."


'No proof'

There is a question over how many times the Met Office has forecast a record previously. Dr Pope said they had not done so from her recollection.

But a Met Office press release shows a forecast that 2007 would probably beat 1998. And a BBC report implies that they made the same prediction for the other El Nino year of 2003.

Sceptics say this could prove the third time they have been wrong.

But it is impossible to be wrong with a probabilistic forecast unless the forecast is 100%. It would certainly have eased pressure on the Met Office, though, if their 2010 forecast had been seen to be spectacularly accurate.

Professor John Christy, a climate sceptic from the University of Alabama in Hunstville, said global temperature had plunged in the past two weeks, so 2010 was likely to remain in second place.

He challenged the Met Office conviction that greenhouse gases were to blame for the warmth.

"The cause of the warmth is speculation. There are numerous feedbacks at work (many of which are poorly modelled if at all), and it seems to me unimaginative to conclude that greenhouse gases are the dominant cause," he said.

"There is no proof of such a cause in classical scientific sense - so we end up with a lot of opinions on the matter. Evidence is strong that centuries in the past 10,000 years were warmer than today without influences from human-related greenhouse gases."



http://www.bbc.co.uk/news/uk-11841368

Thanks for the article. I am going to find the locations of the buoys, as any good research dictates. Where they are can vary drastically. For example, there is a buoy right off the coast of Ocean City that reported extremely warm water, but it was in relatively shallow water that right outside the drain of Assawoman bay, which skews toward warmth. And there are others which are by some bays that skew towards cold readings. Just like the land temps, you have to know where your data comes from , and what condition your recorders operate under.

And to Muck, I agree that Bush was crooked, but no less that Gore, who by the way, has finally withdrawn support for adding Ethanol to gas. But it was not before it ruined my Oxygen sensor and Catalytic Converter, costing me a couple of grand. And who did he shift the blame to ? The corn producers, of course. I keep telling you, they are ALL dirty, not just the right wing. As usual, here is the link:

http://www.biofuelswatch.com/al-gores-outlook-on-ethanol/
 

muckraker10021

Superstar *****
BGOL Investor
common-dreams.png

The Most Important News Story of the Day/ Millennium


by Bill McKibben

December 5, 2011


http://www.commondreams.org/view/2011/12/05-8

The most important piece of news yesterday, this week, this month, and this year was a new set of statistics released yesterday by the Global Carbon Project. It showed that carbon emissions from our planet had increased 5.9 percent between 2009 and 2010. In fact, it was arguably among the most important pieces of data in the last, oh, three centuries, since according to the New York Times it represented “almost certainly the largest absolute jump in any year since the Industrial Revolution.”

What it means, in climate terms, is that we’ve all but lost the battle to reduce the damage from global warming. The planet has already warmed about a degree Celsius; it’s clearly going to go well past two degrees. It means, in political terms, that the fossil fuel industry has delayed effective action for the 12 years since the Kyoto treaty was signed. It means, in diplomatic terms, that the endless talks underway in Durban should be more important than ever--they should be the focus of a planetary population desperate to figure out how it’s going to survive the century.

But instead, almost no one is paying attention to the proceedings, at least on this continent. One of our political parties has decided that global warming is a hoax--it’s two leading candidates are busily apologizing for anything they said in the past that might possibly have been construed as backing, you know, science. President Obama hasn’t yet spoken on the Durban talks, and informed international observers like Joss Garman are beginning to despair that he ever will.

Who are the 99%? In this country, they’re those of us who aren’t making any of these deadly decisions. In this world, they’re the vast majority of people who didn’t contribute to those soaring emissions. In this biosphere they’re every other species now living on a disorienting earth.

You think OWS is radical? You think 350.org was radical for helping organize mass civil disobedience in DC in August against the Keystone Pipeline? We’re not radical. Radicals work for oil companies. The CEO of Exxon gets up every morning and goes to work changing the chemical composition of the atmosphere. No one has ever done anything as radical as that, not in all of human history. And he and his ilk spend heavily on campaigns to make sure no one stops them--the US Chamber of Commerce gave more money than the DNC and the RNC last cycle, and 94% of it went to climate deniers.

Corporate power has occupied the atmosphere. 2011 showed we could fight back. 2012 would be a good year to step up the pressure. Because this time next year the Global Carbon Project will release another number. And I’m betting it will be grim.



<hr noshade color="#0000FF" size="8"></hr>

icVNHMdAo.PNG



The Case Against Global-Warming Skepticism

There were good reasons for doubt, until now.


<img src="http://assets.nydailynews.com/polopoly_fs/1.969869.1320083003!/img/httpImage/image.jpg_gen/derivatives/landscape_485/image.jpg" width="400">
Richard Muller a top respected international physicist at Berkeley University was a global warming skeptic. The infamous KOCH BROTHERS heard about him and gave him $150,000 to do detailed research on 'climate change' which they hoped would help refute the 97% of peer reviewed scientist who say 'climate change' is real. When Professor Muller completed his research, to the dismay of the Koch Brothers he agreed with the 97% of peer reviewed scientist who realize the 'global warming' is real.



by Richard A. Muller

October 21, 2011


http://online.wsj.com/article/SB10001424052970204422404576594872796327348.html

Are you a global warming skeptic? There are plenty of good reasons why you might be.

As many as 757 stations in the United States recorded net surface-temperature cooling over the past century. Many are concentrated in the southeast, where some people attribute tornadoes and hurricanes to warming.

The temperature-station quality is largely awful. The most important stations in the U.S. are included in the Department of Energy's Historical Climatology Network. A careful survey of these stations by a team led by meteorologist Anthony Watts showed that 70% of these stations have such poor siting that, by the U.S. government's own measure, they result in temperature uncertainties of between two and five degrees Celsius or more. We do not know how much worse are the stations in the developing world.

Using data from all these poor stations, the U.N.'s Intergovernmental Panel on Climate Change estimates an average global 0.64ºC temperature rise in the past 50 years, "most" of which the IPCC says is due to humans. Yet the margin of error for the stations is at least three times larger than the estimated warming.

We know that cities show anomalous warming, caused by energy use and building materials; asphalt, for instance, absorbs more sunlight than do trees. Tokyo's temperature rose about 2ºC in the last 50 years. Could that rise, and increases in other urban areas, have been unreasonably included in the global estimates? That warming may be real, but it has nothing to do with the greenhouse effect and can't be addressed by carbon dioxide reduction.

Moreover, the three major temperature analysis groups (the U.S.'s NASA and National Oceanic and Atmospheric Administration, and the U.K.'s Met Office and Climatic Research Unit) analyze only a small fraction of the available data, primarily from stations that have long records. There's a logic to that practice, but it could lead to selection bias. For instance, older stations were often built outside of cities but today are surrounded by buildings. These groups today use data from about 2,000 stations, down from roughly 6,000 in 1970, raising even more questions about their selections.

On top of that, stations have moved, instruments have changed and local environments have evolved. Analysis groups try to compensate for all this by homogenizing the data, though there are plenty of arguments to be had over how best to homogenize long-running data taken from around the world in varying conditions. These adjustments often result in corrections of several tenths of one degree Celsius, significant fractions of the warming attributed to humans.

And that's just the surface-temperature record. What about the rest? The number of named hurricanes has been on the rise for years, but that's in part a result of better detection technologies (satellites and buoys) that find storms in remote regions. The number of hurricanes hitting the U.S., even more intense Category 4 and 5 storms, has been gradually decreasing since 1850. The number of detected tornadoes has been increasing, possibly because radar technology has improved, but the number that touch down and cause damage has been decreasing. Meanwhile, the short-term variability in U.S. surface temperatures has been decreasing since 1800, suggesting a more stable climate.

Without good answers to all these complaints, global-warming skepticism seems sensible. But now let me explain why you should not be a skeptic, at least not any longer.

Over the last two years, the Berkeley Earth Surface Temperature Project has looked deeply at all the issues raised above. I chaired our group, which just submitted four detailed papers on our results to peer-reviewed journals. We have now posted these papers online at www.BerkeleyEarth.org to solicit even more scrutiny.

Our work covers only land temperature—not the oceans—but that's where warming appears to be the greatest. Robert Rohde, our chief scientist, obtained more than 1.6 billion measurements from more than 39,000 temperature stations around the world. Many of the records were short in duration, and to use them Mr. Rohde and a team of esteemed scientists and statisticians developed a new analytical approach that let us incorporate fragments of records. By using data from virtually all the available stations, we avoided data-selection bias. Rather than try to correct for the discontinuities in the records, we simply sliced the records where the data cut off, thereby creating two records from one.

We discovered that about one-third of the world's temperature stations have recorded cooling temperatures, and about two-thirds have recorded warming. The two-to-one ratio reflects global warming. The changes at the locations that showed warming were typically between 1-2ºC, much greater than the IPCC's average of 0.64ºC.

To study urban-heating bias in temperature records, we used satellite determinations that subdivided the world into urban and rural areas. We then conducted a temperature analysis based solely on "very rural" locations, distant from urban ones. The result showed a temperature increase similar to that found by other groups. Only 0.5% of the globe is urbanized, so it makes sense that even a 2ºC rise in urban regions would contribute negligibly to the global average.

What about poor station quality? Again, our statistical methods allowed us to analyze the U.S. temperature record separately for stations with good or acceptable rankings, and those with poor rankings (the U.S. is the only place in the world that ranks its temperature stations). Remarkably, the poorly ranked stations showed no greater temperature increases than the better ones. The mostly likely explanation is that while low-quality stations may give incorrect absolute temperatures, they still accurately track temperature changes.

When we began our study, we felt that skeptics had raised legitimate issues, and we didn't know what we'd find. Our results turned out to be close to those published by prior groups. We think that means that those groups had truly been very careful in their work, despite their inability to convince some skeptics of that. They managed to avoid bias in their data selection, homogenization and other corrections.

Global warming is real. Perhaps our results will help cool this portion of the climate debate. How much of the warming is due to humans and what will be the likely effects? We made no independent assessment of that.

Mr. Muller is a professor of physics at the University of California, Berkeley, and the author of "Physics for Future Presidents" (W.W. Norton & Co., 2008).




 

QueEx

Rising Star
Super Moderator

The last year in the continental US has been the
country's hottest since modern record-keeping
began in 1895, say government scientists



<IFRAME SRC="http://www.bbc.co.uk/news/world-us-canada-18770815" WIDTH=760 HEIGHT=1500>
<A HREF="http://www.bbc.co.uk/news/world-us-canada-18770815">link</A>

</IFRAME>
 

thoughtone

Rising Star
BGOL Investor
Another Al Gore conspiracy!


source: msnbc


Feeling the heat: First half of 2012 is warmest on record


In fact, the first six months of 2012 accounted for the warmest January-through-June period on record for the contiguous U.S., the National Oceanic and Atmospheric Administration (NOAA) announced Monday.

The national temperatures averaged 52.9 degrees — "4.5 degrees above the long-term average," NOAA said in a statement. "Most of the contiguous U.S. was record and near-record warm for the six-month period, except the Pacific Northwest." East of the Rockies, 28 states were "record warm," NOAA said.

The past year also registered as the hottest 12-month period on record in the contiguous U.S., narrowly surpassing the mark set last month, NOAA said.

Climate models indicate the hot temperatures are not expected to ease anytime soon. “It looks like it’s going to stay above normal, for much of the remainder of the summer,” said Jon Gottschalck at NOAA's Climate Prediction Center.

Last month was the 14th hottest June on record. The average June temperature for the contiguous 48 states was 71.2 degrees — two degrees higher than the 20th century average.

With much of the nation experiencing scorching temperatures, NOAA found 170 American cities met or broke record-high temperatures in June. South Carolina's 113-degree high and Georgia's 112-degree high could be the highest temperature records ever in their respective states.

Conditions have also been incredibly dry — it was the tenth-driest June on record. More than half the contiguous U.S. — 56 percent — have drought conditions, according to the U.S. Drought Monitor.

The start of the monsoon season around Arizona, New Mexico and Colorado are some relief for areas affected by wildfire, Gottschalck said.

Colorado, which experienced its worst wildfire season in a decade, was 6.4 degrees above normal June temperatures. Wildfires ravaged land across the country with more than 1.3 million acres burned overall — "the second most on record during June," NOAA said.

While much of the country was bone dry, Florida had its wettest June on record. The Sunshine State was more than six inches above average precipitation, much of it caused by Tropical Storm Debby. Washington state, Oregon and Maine each saw a top-ten wet June.
 

muckraker10021

Superstar *****
BGOL Investor
<img src="http://i1.nyt.com/images/misc/nytlogo379x64.gif">

<font face="arial black" size="5" color="#d90000">
Scientists Sound Alarm on Climate Change</font>
<font face="arial unicode ms, verdana" size="3" color="#000000">

March 18, 2014 | http://www.nytimes.com/2014/03/18/science/scientists-sound-alarm-on-climate.html

Early in his career, a scientist named Mario J. Molina was <div align="left"><!-- MSTableType="layout" --><img src="http://pri.org.mx/BancoInformacion/files/Imagenes/11728-1-07_56_41.jpg" width="150" align="left">
</div>pulled into seemingly obscure research about strange chemicals being spewed into the atmosphere.

Within a year, he had helped discover a global environmental emergency, work that would ultimately win a Nobel Prize.

Now, at 70, Dr. Molina is trying to awaken the public to an even bigger risk. He spearheaded a committee of the American Association for the Advancement of Science, the world’s largest general scientific society, which released a stark report Tuesday on global warming.

The report warns that the effects of human emissions of heat-trapping gases are already being felt, that the ultimate consequences could be dire, and that the window to do something about it is closing.

“The evidence is overwhelming: Levels of greenhouse gases in the atmosphere are rising,” says the report. “Temperatures are going up. Springs are arriving earlier. Ice sheets are melting. Sea level is rising. The patterns of rainfall and drought are changing. Heat waves are getting worse, as is extreme precipitation. The oceans are acidifying.”

In a sense, this is just one more report about global warming in a string going back decades. For anybody who was already paying attention, the report contains no new science. But the language in the 18-page report, called “What We Know,” is sharper, clearer and more accessible than perhaps anything the scientific community has put out to date.

And the association does not plan to stop with the report. The group, with a membership of 121,200 scientists and science supporters around the world, plans a broad outreach campaign to put forward accurate information in simple language.

The scientists are essentially trying to use their powers of persuasion to cut through public confusion over this issue.

Polls show that most Americans are at least somewhat worried about global warming. But people generally do not understand that the problem is urgent — that the fate of future generations (not necessarily that far in the future) is being determined by emission levels now. Moreover, the average citizen tends to think there is more scientific debate about the basics than there really is.

The report emphasizes that the experts have come to a consensus, with only a few dissenters. “Based on well-established evidence, about 97 percent of climate scientists have concluded that human-caused climate change is happening,” it says.

That is not the same as claiming that all questions about climate change have been answered. In fact, enormous questions remain, and the science of global warming entails a robust, evolving discussion.

The new report walks through a series of potential consequences of planetary warming, without asserting that any is sure to happen. They are possibilities, not certainties, and the distinction is crucial for an intelligent public debate about what to do. The worst-case forecasts include severe food shortages as warming makes it harder to grow crops; an accelerating rise of the sea that would inundate coastlines too rapidly for humanity to adjust; extreme heat waves, droughts and floods; and a large-scale extinction of plants and animals.

“What’s extremely clear is that there’s a risk, a very significant risk,” Dr. Molina said by telephone from Mexico, where he spends part of his time. “You don’t need 100 percent certainty for society to act.”

Some of the scientists on Dr. Molina’s committee like to point out that people can be pretty intelligent about managing risk in their personal lives. It is unlikely that your house will burn down, yet you spend hundreds of dollars a year on insurance. When you drive to work in the morning, the odds are low that some careless driver will slam into you, but it is possible, so we have spent tens of billions of dollars putting seatbelts and air bags in our cars.

The issue of how much to spend on lowering greenhouse gases is, in essence, a question about how much insurance we want to buy against worst-case outcomes. Scientists cannot decide that for us — and the report recognizes that by avoiding any specific recommendations about what to do. But it makes clear that lowering emissions, by some means, is the only way to lower the risks. Because so many people are confused about the science, the nation has never really had a frank political discussion about the options.

Only a few decades ago, the world confronted a similar question regarding chemicals called chlorofluorocarbons, then common in refrigerators, air-conditioners, cans of hair spray and deodorant.

At a Fort Lauderdale, Fla., conference in 1972, a California scientist named F. Sherwood Rowland learned that they were accumulating in the air. What, he wondered, would happen to them? He eventually put a young researcher in his laboratory, Dr. Molina, onto the question.

To their own shock, the team figured out that the chemicals would break down the ozone layer, a blanket of gas high above the ground that protects the world from devastating levels of ultraviolet radiation. As the scientific evidence of a risk accumulated, the public demanded action — and eventually got it, in the form of a treaty phasing out the compounds.

<span style="background-color: #FFFF00">Global warming has been much harder to understand, not least because of a disinformation campaign financed by elements of the fossil-fuel industry.</span>

But the new report is a recognition among scientists that they bear some responsibility for the confusion — that their well-meaning attempts to convey all the nuances and uncertainties of a complex field have obscured the core message about risks. The report reflects their resolve to try again, by clearing the clutter.

Will the American people hear the message this time???


</font>

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QueEx

Rising Star
Super Moderator
<font size="5"><center>

Climate Experts Worry as
2006 Is Hottest Year on Record in U.S.</font size></center>


By Marc Kaufman
Washington Post Staff Writer
Wednesday, January 10, 2007; Page A01


<font size="5"><center>


Met Office says 2010 'among hottest on record'
</font size><font size="4">
(The Met Office is the UK's National Weather Service)</center></font size>



_50157270_003269418-1.jpg

The latest temperature statistics are a sign of
man-made global warming, the Met Office says


common-dreams.png

The Most Important News Story of the Day/ Millennium


by Bill McKibben

December 5, 2011


http://www.commondreams.org/view/2011/12/05-8

The most important piece of news yesterday, this week, this month, and this year was a new set of statistics released yesterday by the Global Carbon Project. It showed that carbon emissions from our planet had increased 5.9 percent between 2009 and 2010. In fact, it was arguably among the most important pieces of data in the last, oh, three centuries, since according to the New York Times it represented “almost certainly the largest absolute jump in any year since the Industrial Revolution.”





The last year [2012] in the continental US has been the
country's hottest since modern record-keeping
began in 1895, say government scientists



Another Al Gore conspiracy!


source: msnbc


Feeling the heat: First half of 2012 is warmest on record



The heat is on; NOAA, NASA say
2014 warmest year on record



5de25489968267026b0f6a706700deb5.jpg



http://news.yahoo.com/heat-noaa-nasa-2014-warmest-record-153323365.html

http://www.usatoday.com/story/weather/2015/01/16/record-warm-year-climate-change/21857061/
 

QueEx

Rising Star
Super Moderator

Annual checkup of Earth’s climate
says we’re in hotter water​

The National Oceanic and Atmospheric Administration and the
American Meteorological Society’s annual state of the climate
delved into the hot details of already reported record-smashing
warmth globally in 2014, giving special attention to the world’s oceans.



WASHINGTON — In their annual, detailed physical of Earth’s climate, scientists say the world is in increasingly hot and rising water.

The National Oceanic and Atmospheric Administration and the American Meteorological Society’s annual state of the climate report delves into the details of already reported record-smashing warmth globally in 2014, giving special attention to the world’s oceans.

NOAA climate monitoring chief Deke Arndt, co-editor of the report, said the seas last year “were just ridiculous.”

The report said ocean surface temperatures were the warmest in 135 years of records, with the seas holding record levels of heat energy at lower depths. Sea level also hit modern highs.

Jeff Severinghaus of the Scripps Institution of Oceanography said if this report is Earth’s annual checkup, “the doctor is saying ‘you are gravely ill.’”



Copyright 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.​



http://www.nytimes.com/aponline/2015/07/16/science/ap-us-sci-climate-checkup.html?_r=0


 

thoughtone

Rising Star
BGOL Investor
:lol::lol:

is a vast machinery out there that has been working overtime throughout the past 14 years or so to muddle the facts surrounding global warming. It's not a consipiracy.....the facts are well documented.


It's been longer than 14 years!



source: The Guardian

Exxon knew of climate change in 1981, email says – but it funded deniers for 27 more years


A newly unearthed missive from Lenny Bernstein, a climate expert with the oil firm for 30 years, shows concerns over high presence of carbon dioxide in enormous gas field in south-east Asia factored into decision not to tap it


ExxonMobil, the world’s biggest oil company, knew as early as 1981 of climate change – seven years before it became a public issue, according to a newly discovered email from one of the firm’s own scientists. Despite this the firm spent millions over the next 27 years to promote climate denial.

The email from Exxon’s in-house climate expert provides evidence the company was aware of the connection between fossil fuels and climate change, and the potential for carbon-cutting regulations that could hurt its bottom line, over a generation ago – factoring that knowledge into its decision about an enormous gas field in south-east Asia. The field, off the coast of Indonesia, would have been the single largest source of global warming pollution at the time.

“Exxon first got interested in climate change in 1981 because it was seeking to develop the Natuna gas field off Indonesia,” Lenny Bernstein, a 30-year industry veteran and Exxon’s former in-house climate expert, wrote in the email. “This is an immense reserve of natural gas, but it is 70% CO2,” or carbon dioxide, the main driver of climate change.

However, Exxon’s public position was marked by continued refusal to acknowledge the dangers of climate change, even in response to appeals from the Rockefellers, its founding family, and its continued financial support for climate denial. Over the years, Exxon spent more than $30m on thinktanks and researchers that promoted climate denial, according to Greenpeace.

Exxon said on Wednesday that it now acknowledges the risk of climate change and does not fund climate change denial groups.

Some climate campaigners have likened the industry to the conduct of the tobacco industry which for decades resisted the evidence that smoking causes cancer.

In the email Bernstein, a chemical engineer and climate expert who spent 30 years at Exxon and Mobil and was a lead author on two of the United Nations’ blockbuster IPCC climate science reports, said climate change first emerged on the company’s radar in 1981, when the company was considering the development of south-east Asia’s biggest gas field, off Indonesia.

That was seven years ahead of other oil companies and the public, according to Bernstein’s account.

Climate change was largely confined to the realm of science until 1988, when the climate scientist James Hansen told Congress that global warming was caused by the buildup of greenhouse gases in the atmosphere, due to the burning of fossil fuels.

By that time, it was clear that developing the Natuna site would set off a huge amount of climate change pollution – effectively a “carbon bomb”, according to Bernstein.

“When I first learned about the project in 1989, the projections were that if Natuna were developed and its CO2 vented to the atmosphere, it would be the largest point source of CO2 in the world and account for about 1% of projected global CO2 emissions. I’m sure that it would still be the largest point source of CO2, but since CO2 emissions have grown faster than projected in 1989, it would probably account for a smaller fraction of global CO2 emissions,” Bernstein wrote.

The email was written in response to an inquiry on business ethics from the Institute for Applied and Professional Ethics at Ohio University.

“What it shows is that Exxon knew years earlier than James Hansen’s testimony to Congress that climate change was a reality; that it accepted the reality, instead of denying the reality as they have done publicly, and to such an extent that it took it into account in their decision making, in making their economic calculation,” the director of the institute, Alyssa Bernstein (no relation), told the Guardian.

“One thing that occurs to me is the behavior of the tobacco companies denying the connection between smoking and lung cancer for the sake of profits, but this is an order of magnitude greater moral offence, in my opinion, because what is at stake is the fate of the planet, humanity, and the future of civilisation, not to be melodramatic.”

Bernstein’s response, first posted on the institute’s website last October, was released by the Union of Concerned Scientists on Wednesday as part of a report on climate disinformation promoted by companies such as ExxonMobil, BP, Shell and Peabody Energy, called the Climate Deception Dossiers.

Asked about Bernstein’s comments, Exxon said climate science in the early 1980s was at a preliminary stage, but the company now saw climate change as a risk.

“The science in 1981 on this subject was in the very, very early days and there was considerable division of opinion,” Richard Keil, an Exxon spokesman, said. “There was nobody you could have gone to in 1981 or 1984 who would have said whether it was real or not. Nobody could provide a definitive answer.”

He rejected the idea that Exxon had funded groups promoting climate denial. “I am here to talk to you about the present,” he said. “We have been factoring the likelihood of some kind of carbon tax into our business planning since 2007. We do not fund or support those who deny the reality of climate change.”

Exxon, unlike other companies and the public at large in the early 1980s, was already aware of climate change – and the prospect of regulations to limit the greenhouse gas emissions that cause climate change, according to Bernstein’s account.

“In the 1980s, Exxon needed to understand the potential for concerns about climate change to lead to regulation that would affect Natuna and other potential projects. They were well ahead of the rest of industry in this awareness. Other companies, such as Mobil, only became aware of the issue in 1988, when it first became a political issue,” he wrote.

“Natural resource companies – oil, coal, minerals – have to make investments that have lifetimes of 50-100 years. Whatever their public stance, internally they make very careful assessments of the potential for regulation, including the scientific basis for those regulations,” Bernstein wrote in the email.

Naomi Oreskes, a Harvard University professor who researches the history of climate science, said it was unsurprising Exxon would have factored climate change in its plans in the early 1980s – but she disputed Bernstein’s suggestion that other companies were not. She also took issue with Exxon’s assertion of uncertainty about the science in the 1980s, noting the National Academy of Science describing a consensus on climate change from the 1970s.

The White House and the National Academy of Sciences came out with reports on climate change in the 1970s, and government scientific agencies were studying climate change in the 1960s, she said. There were also a number of major scientific meetings on climate change in the 1970s.

“I find it difficult to believe that an industry whose business model depends on fossil fuels could have been completely ignoring major environmental reports, major environmental meetings taken place in which carbon dioxide and climate change were talked about,” she said in an interview with the Guardian.

The East Natuna gas field, about 140 miles north-east of the Natuna islands in the South China Sea and 700 miles north of Jakarta, is the biggest in south-east Asia, with about 46tn cubic ft (1.3tn cubic metres) of recoverable reserves.

However, Exxon did not go into production on the field.

Bernstein writes in his email to Ohio University: “Corporations are interested in environmental impacts only to the extent that they affect profits, either current or future. They may take what appears to be altruistic positions to improve their public image, but the assumption underlying those actions is that they will increase future profits. ExxonMobil is an interesting case in point.”

Bernstein, who is now in his mid-70s, spent 20 years as a scientist at Exxon and 10 years at Mobil. During the 1990s he headed the science and technology advisory committee of the Global Climate Coalition, an industry group that lobbied aggressively against the scientific consensus around the causes of climate change.

However, GCC climate experts accepted the impact of human activity on climate change in their internal communications as early as 1995, according to a document filed in a 2009 lawsuit and included in the UCS dossier.

The document, a 17-page primer on climate science produced by Bernstein’s advisory committee, discounts the alternate theories about the causes of climate change promoted by climate contrarian researchers such as Willie Soon, who was partly funded by Exxon.

“The contrarian theories raise interesting questions about our total understanding of climate processes, but they do not offer convincing arguments against the conventional model of greenhouse gas emission-induced climate change,” the advisory committee said.

The 1995 primer was never released for publication. A subsequent version, which was publicly distributed in 1998, removed the reference to “contrarian theories”, and continued to dispute the science underlying climate change.

Kenneth Kimmel, the president of the Union of Concerned Scientists, said ExxonMobil and the other companies profiled in its report had failed to take responsibility about the danger to the public of producing fossil fuels.

“Instead of taking responsibility, they have either directly – or indirectly through trade and industry groups – sown doubt about the science of climate change and fought efforts to cut emissions,” he wrote in a blogpost. “I believe that the conduct outlined in the UCS report puts the fossil fuel companies’ social license at risk. And once that social license is gone, it is very hard to get it back. Just look at what happened to tobacco companies after litigation finally pried open the documents that exposed decades of misinformation and deception.”

Keil, the ExxonMobil spokesman, confirmed that the company had decided not to develop Natuna, but would not comment on the reasons. “There could be a huge range of reasons why we don’t develop projects,” he said.

Full text of scientist’s email
Below is the text of an email from Lenny Bernstein to the director of the Institute for Applied and Professional Ethics at Ohio University, Alyssa Bernstein (no relation), who had asked for ideas to stimulate students for an ethics day announced by the Carnegie Council.
Alyssa’s right. Feel free to share this e-mail with her. Corporations are interested in environmental impacts only to the extent that they affect profits, either current or future. They may take what appears to be altruistic positions to improve their public image, but the assumption underlying those actions is that they will increase future profits. ExxonMobil is an interesting case in point.

Exxon first got interested in climate change in 1981 because it was seeking to develop the Natuna gas field off Indonesia. This is an immense reserve of natural gas, but it is 70% CO2. That CO2 would have to be separated to make the natural gas usable. Natural gas often contains CO2 and the technology for removing CO2 is well known. In 1981 (and now) the usual practice was to vent the CO2 to the atmosphere. When I first learned about the project in 1989, the projections were that if Natuna were developed and its CO2 vented to the atmosphere, it would be the largest point source of CO2 in the world and account for about 1% of projected global CO2 emissions. I’m sure that it would still be the largest point source of CO2, but since CO2 emissions have grown faster than projected in 1989, it would probably account for a smaller fraction of global CO2 emissions.

The alternative to venting CO2 to the atmosphere is to inject it into ground. This technology was also well known, since the oil industry had been injecting limited quantities of CO2 to enhance oil recovery. There were many questions about whether the CO2 would remain in the ground, some of which have been answered by Statoil’s now almost 20 years of experience injecting CO2 in the North Sea. Statoil did this because the Norwegian government placed a tax on vented CO2. It was cheaper for Statoil to inject CO2 than pay the tax. Of course, Statoil has touted how much CO2 it has prevented from being emitted.

In the 1980s, Exxon needed to understand the potential for concerns about climate change to lead to regulation that would affect Natuna and other potential projects. They were well ahead of the rest of industry in this awareness. Other companies, such as Mobil, only became aware of the issue in 1988, when it first became a political issue. Natural resource companies – oil, coal, minerals – have to make investments that have lifetimes of 50-100 years. Whatever their public stance, internally they make very careful assessments of the potential for regulation, including the scientific basis for those regulations. Exxon NEVER denied the potential for humans to impact the climate system. It did question – legitimately, in my opinion – the validity of some of the science.

Political battles need to personify the enemy. This is why liberals spend so much time vilifying the Koch brothers – who are hardly the only big money supporters of conservative ideas. In climate change, the first villain was a man named Donald Pearlman, who was a lobbyist for Saudi Arabia and Kuwait. (In another life, he was instrumental in getting the US Holocaust Museum funded and built.) Pearlman’s usefulness as a villain ended when he died of lung cancer – he was a heavy smoker to the end.

Then the villain was the Global Climate Coalition (GCC), a trade organization of energy producers and large energy users. I was involved in GCC for a while, unsuccessfully trying to get them to recognize scientific reality. (That effort got me on to the front page of the New York Times, but that’s another story.) Environmental group pressure was successful in putting GCC out of business, but they also lost their villain. They needed one which wouldn’t die and wouldn’t go out of business. Exxon, and after its merger with Mobil ExxonMobil, fit the bill, especially under its former CEO, Lee Raymond, who was vocally opposed to climate change regulation. ExxonMobil’s current CEO, Rex Tillerson, has taken a much softer line, but ExxonMobil has not lost its position as the personification of corporate, and especially climate change, evil. It is the only company mentioned in Alyssa’s e-mail, even though, in my opinion, it is far more ethical that many other large corporations.

Having spent twenty years working for Exxon and ten working for Mobil, I know that much of that ethical behavior comes from a business calculation that it is cheaper in the long run to be ethical than unethical. Safety is the clearest example of this. ExxonMobil knows all too well the cost of poor safety practices. The Exxon Valdez is the most public, but far from the only, example of the high cost of unsafe operations. The value of good environmental practices are more subtle, but a facility that does a good job of controlling emission and waste is a well run facility, that is probably maximizing profit. All major companies will tell you that they are trying to minimize their internal CO2 emissions. Mostly, they are doing this by improving energy efficiency and reducing cost. The same is true for internal recycling, again a practice most companies follow. Its [sic] just good engineering.

I could go on, but this e-mail is long enough.

 

muckraker10021

Superstar *****
BGOL Investor
The Trump crime family and their virtue of selfishness soulless minions and predatory $$$$$$$ ghouls have decided that Americans dying due to polluted air is 'no big deal' if they can continue to burn coal and make millions for themselves. Their pure venal evil and greed is why anti-science RepubliKlans want to doom their children, grandchildren and great grandchildren to a world with air so thick you can’t breathe, coastal cities deluged by coastal flooding and crop failures and disease throughout the world. All for money.



nytimes.jpg


E.P.A. Plans to Get Thousands
of Pollution Deaths Off the
Books by Changing Its Math


by Lisa Friedman | May 20, 2019 | https://www.nytimes.com/2019/05/20/climate/epa-air-pollution-deaths.html

WASHINGTON — The Environmental Protection Agency plans to change the way it calculates the health risks of air pollution, a shift that would make it easier to roll back a key climate change rule because it would result in far fewer predicted deaths from pollution, according to five people with knowledge of the agency’s plans.

The E.P.A. had originally forecast that eliminating the Obama-era rule, the Clean Power Plan, and replacing it with a new measure would have resulted in an additional 1,400 premature deaths per year. The new analytical model would significantly reduce that number and would most likely be used by the Trump administration to defend further rollbacks of air pollution rules if it is formally adopted.

The proposed shift is the latest example of the Trump administration downgrading the estimates of environmental harm from pollution in regulations. In this case, the proposed methodology would assume there is little or no health benefit to making the air any cleaner than what the law requires. Many experts said that approach was not scientifically sound and that, in the real world, there are no safe levels of the fine particulate pollution associated with the burning of fossil fuels.

Fine particulate matter — the tiny, deadly particles that can penetrate deep into the lungs and enter the bloodstream — is linked to heart attacks, strokes and respiratory disease.

The five people familiar with the plan, all current or former E.P.A. officials, said the new modeling method would appear in the agency’s analysis of the final version of the replacement regulation, known as the Affordable Clean Energy rule, which is expected to be made public in June.

Asked on Monday whether the new method would be included in the agency’s final analysis of the rule, William L. Wehrum, the E.P.A. air quality chief, said only that the final version would include multiple analytical approaches in an effort to be transparent. He said the agency had made no formal change to its methodology.

“It’s a very important issue, and it’s an issue where there has been a lot of debate over what the right approach is,” Mr. Wehrum said.

The E.P.A., when making major regulatory changes, is normally expected to demonstrate that society will see more benefits than costs from the change. Experts said that, while benefits would appear on paper in this case, the change actually disregards potential dangers to public health.

“Particulate matter is extremely harmful and it leads to a large number of premature deaths,” said Richard L. Revesz, an expert in environmental law at New York University. He called the expected change a “monumental departure” from the approach both Republican and Democratic E.P.A. leaders have used over the past several decades and predicted that it would lay the groundwork for weakening more environmental regulations.

“It could be an enormously significant impact,” Mr. Revesz said.

The Obama administration had sought to reduce planet-warming greenhouse gas emissions under the Clean Power Plan by pushing utilities to switch away from coal and instead use natural gas or renewable energy to generate electricity. The Obama plan would also have what is known as a co-benefit: levels of fine particulate matter would fall.

The Trump administration has moved to repeal the Obama-era plan and replace it with the Affordable Clean Energy rule, which would slightly improve the efficiency of coal plants. It would also allow older coal plants to remain in operation longer and result in an increase of particulate matter.

Particulate matter comes in various sizes. The greatest health risk comes from what is known as PM 2.5, the range of fine particles that are less than 2.5 microns in diameter. That is about one-thirtieth the width of a human hair.

The E.P.A. has set the safety threshold for PM 2.5 at a yearly average of 12 micrograms per cubic meter. While individual days vary, with some higher, an annual average at or below that level, known as the particulate matter standard, is considered safe. However, the agency still weighs health hazards that occur in the safe range when it analyzes new regulations.

Industry has long questioned that system. After all, fossil fuel advocates ask, why should the E.P.A. search for health dangers, and, ultimately, impose costs on industry, in situations where air is officially considered safe?

Mr. Wehrum, who worked as a lawyer and lobbyist for chemical manufacturers and fossil fuel businesses before moving to the E.P.A., echoed that position in two interviews. He noted that, in some regulations, the benefits of reduced particulate matter have been estimated to total in the range of $40 billion.

“How in the world can you get $30 or $40 billion of benefit to public health when most of that is attributable to reductions in areas that already meet a health-based standard,” he said. “That doesn’t make any sense.”

William L. Wehrum, the E.P.A. assistant administrator for air and radiation.CreditRon Sachs/CNP/MediaPunch

20CLI-CLEANPOWER2-articleLarge.jpg


William L. Wehrum, the E.P.A. assistant administrator for air and radiation.
Mr. Wehrum acknowledged that the administration was considering a handful of analyses that would reduce the prediction of 1,400 premature deaths as a result of the measure.

He called the attention given to that initial forecast “unfortunate” and said the agency had included the figure in its analysis to show the varied results that can be achieved based on different assumptions.

Mr. Wehrum said the analyses the agency is conducting “illuminate the issue” of particulate matter and the question of what level is acceptable for the purposes of policymaking. He said new approaches would allow for public debate to move ahead and that any new methods would be subject to peer review if they became the agency’s primary tool for measuring health risks.

“This isn’t just something I’m cooking up here in my fifth-floor office in Washington,” Mr. Wehrum said.

Roger O. McClellan, who has served on E.P.A. advisory boards and as president of the Chemical Industry Institute of Toxicology, an industry-financed research center, said that the data for health risks below the particulate matter standard was weak and that he did not accept the argument that agencies must calculate risk “down to the first molecule of exposure.”

“These kinds of approaches — that every molecule, every ionization, carries with it an associated calculable health risk — are just misleading,” Mr. McClellan said.

To put the matter in perspective, most scientists say particulate matter standards are like speed limits. On many highways, a limit of 65 miles per hour is considered reasonable to protect public safety. But that doesn’t mean the risk of an accident disappears at 55 m.p.h., or even 25.

Jonathan M. Samet, a pulmonary disease specialist who is dean of the Colorado School of Public Health, said the most recent studies showed negative health effects well below the 12-microgram standard. “It’s not a hard stop where we can say ‘below that, air is safe.’ That would not be supported by the scientific evidence,” Dr. Samet said. “It would be very nice for public health if things worked that way, but they don’t seem to.”

Daniel S. Greenbaum, president of the Health Effects Institute, a nonprofit research organization that is funded by the E.P.A. and industry groups, acknowledged there was uncertainty around the effects of fine particulate matter exposure below the standard.

He said it was reasonable of the Trump administration to study the issue, but he questioned moving ahead with a new system before those studies are in. “To move away from the way this has been done without the benefit of this full scientific peer review is unfortunate,” he said.
 
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