On climate change, Scott Pruitt causes an uproar and contradicts the EPA’s own website – Washington Post

President Trump and many of his top aides have expressed skepticism about climate change, while others say human activity is to blame for global warming. So what's the administration's real position? (Peter Stevenson/The Washington Post)

This story has been updated.

Scott Pruitt, the nations top environmental official, strongly rejected the established science of climate change on Thursday,outraging scientists, environmentalists, and even his immediate predecessor at the Environmental Protection Agency.

I think that measuring with precision human activity on the climate is something very challenging to do and theres tremendous disagreement about the degree of impact, so no, I would not agree that its a primary contributor to the global warming that we see, Pruitt, the newly installed EPA administrator, said on the CNBC program Squawk Box.

But we dont know that yet, he continued. We need to continue the debate and continue the review and the analysis.

His comments represented a startling statement for an official so high in the U.S. government,putting him at odds not only with other countriesaround the globebut also with the official scientific findings of the agency he now leads. President Trump in the past has called the notion of human-fueled climate change a hoax. And other cabinet members,including Secretary of Energy Rick Perry, havepreviously questioned the scientific basis for combating global warming.

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But Pruitts attempt to sow scientific doubt where little exists alarmed environmental advocates, scientists and former EPA officials, who fear he plans to use such views to attack Obama-era regulations aimed at reining in pollution from the burning of coal and other fossil fuels.

The world of science is about empirical evidence, not beliefs, Gina McCarthy, the EPAs most recent administrator, said in a statement. When it comes to climate change, the evidence is robust and overwhelmingly clear that the cost of inaction is unacceptably high. Preventing the greatest consequences of climate change is imperative to the health and well-being of all of us who call Earth home.

She added, I cannot imagine what additional information the Administrator might want from scientists for him to understand that.

Pruitts climate change comments resulted in instant headlines on Thursday. As criticism mounted, White House press secretary Sean Spicer batted back a question about Pruitts comments from a reporter who cited Pruitts words and how they contradict the scientific consensus on climate change.

Thats a snippet of what Administrator Pruitt said, said Spicer. He went on and said I dont think we know conclusively, this is what we know. I would suggest that you touch base with the EPA on that. But he had a very lengthy response and that is just one snippet of what the Administrator said.

White House press secretary Sean Spicer downplayed EPA head Scott Pruitt's comments on March 9 that carbon dioxide isn't a primary contributor to global warming. (The Washington Post)

But Pruitt, whowas visiting the energy industry conference CERAWeek in Houston, also waded into related controversial topics during his CNBC interview. In particular,he questioned whether it was EPAs role to regulate carbon dioxide emissions something undertaken through the agencys Clean Power Plan, the Obama administrations most significant policy to combat climate change and challenged the Paris agreement on climate change.

Nowhere in the equation has Congress spoken, said Pruitt on whether hisagency is obligated to regulate carbon dioxide. The legislative branch has not addressed this issue at all. Its a very fundamental question to say, Are the tools in the toolbox available to the EPA to address this issue of CO2, as the court had recognized in 2007, with it being a pollutant?

(Pruitt was apparently referring to the 2007 Supreme Court decision inMassachusetts v. EPA,in which the court ruled that harms associated with climate change are serious and well recognizedand that the EPA had been arbitrary and capricious in failing to issue a determination on whether greenhouse gases endanger the health and welfare of the public.)

The remarks appeared to fundamentally call into question whether the EPA has a role in the regulation of greenhouse gases that drive global warming, including not only carbon dioxide but methane. Last week, Pruitts agency withdrew an agency request to oil and gas companies to report on their equipment and its methane emissions, which could have laid the groundwork for tighter regulations.

Environmental Protection Agency Administrator Scott Pruitt addressed the Conservative Political Action Conference on Feb. 25 in Oxon Hill, Md. (The Washington Post)

Pruitt also dismissed the international Paris climate agreement, which the Obama administration helpedto lead and which was joined by nearly 200 countries in late 2015, as a bad deal for the United States.

Its one thing to be talking about CO2 internationally, Pruitt said. But when you front-load your costs, as we endeavored to do in that agreement, and then China and India back-loaded their costs for 2030 and beyond, thats not good for America. Thats not an America first type of approach.

On the science of climate change, Pruitts statements fly in the face of aninternational scientific consensus, which has concluded that it is extremely likely that human influence has been the dominant cause of the observed warming since the mid-20th century. For that matter, they also contradict the very website of the agency that Pruitt heads.

The EPAs Climate Change website states the following:

Recent climate changes, however, cannot be explained by natural causes alone. Research indicates that natural causes do not explain most observed warming, especially warming since the mid-20thcentury. Rather, it is extremely likely that human activities have been the dominant cause of that warming.

For this conclusion, the EPA cites the United Nations Intergovernmental Panel on Climate Change, the leading global scientific consensus body that assesses the state of the science roughly every five years.

Pruitt spoke with CNBC amidst growing anticipation that the Trump administration will soon move to begin a formal rollback of President Obamas Clean Power Plan, an EPA policy capping emissions from electricity generating stations, such as coal-fired power plants.

Pruitt himself sued the EPA over the Clean Power Plan in his previous role as the attorney general of Oklahoma.

And thats just one of multiple lawsuits that he filed against the EPA others were over mercury and air pollution, the agencys attempts to regulate pollution of waterways, and methane emissions from oil and gas facilities, to name a few.

The EPA chief has made several statements in the past that are similar to the present one, perhaps, but not so strongly worded.

For instance, writing for National Review in 2016, he stated that Scientists continue to disagree about the degree and extent of global warming and its connection to the actions of mankind. In his Senate confirmation hearing, meanwhile,he stated in a tense exchange with Senator Bernie Sanders that the climate is changing, and human activity contributes to that in some manner.

Another of Pruitts predecessors now in the business community also commented on the science of climate change in the context of his remarks.

The time for debate on climate change has passed, Lisa Jackson, President Obamas first EPA administrator and nowvice president ofEnvironment, Policy and Social Initiatives at Apple, told the Post.

Certainty is what business needs, said Jackson. And relying on science is something that we do every single day. So now if were going to question science, I think it has an impact on more than just some federal rules, or some law, it has a huge impact on human health, the environment, and our economy.

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On climate change, Scott Pruitt causes an uproar and contradicts the EPA's own website - Washington Post