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They also highlighted parts of the document that fault how the EPA reached its conclusion that greenhouse gases endanger human health and welfare, since the gases by themselves do not pose any harm. The memo says the EPA could have been "more balanced" in its analysis by also highlighting regions of the country that would benefit from global warming, such as Alaska, which would have warmer winters. It also says the EPA seemed to stretch the precautionary principle to support regulation despite the "unprecedented uncertainty" in linking emissions of greenhouse gases and the warming that will result to health effects. "It really appears to me that the decision was based more on political calculations than on scientific ones," said Sen. John Barrasso, R-Wyo., who called the document "a smoking gun" during a hearing Tuesday on the Obama administration's proposed EPA budget. "The counsel in this administration repeatedly questions the lack of scientific support that you have for this proposed finding," he said. EPA administrator Lisa Jackson responded by saying the EPA's finding in April was required by law, stemming from a 2007 Supreme Court decision that said the agency should classify greenhouse gases as pollutants. Jackson also said the agency's determination was preliminary and would not necessarily result in regulation. "I have said over and over, as has the president, that we do understand that there are costs to the economy of addressing global warming emissions, and that the best way to address them is through a gradual move to a market-based program like cap and trade," Jackson said. ___ On the Net: Office of Management and Budget blog:
http://www.whitehouse.gov/omb/blog/
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