Under Pressure—Q & A With EPA Head Lisa Jackson - Ecocentric - TIME.com

[Warmist Jackson] The Clean Air Act and Supreme Court cases have said that EPA must determine whether or not greenhouse gases endanger public health. We have determined, based on multiple lines of scientific evidence, that they do.
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The biggest criticism that I've leveled – and I've done it in my hearing testimony – is that what the current efforts do is overrule scientists on a scientific finding. Congress is essentially passing a law that says, We, a bunch of lawmakers, have decided what the science is on this issue. And that to me is what this Congress could be remembered for, more than anything else. History will forget a lot of the day-to-day, inside the beltway discussions about riders and budget and trying to get rid of or defund the EPA, but I don't think that history will forget the first time that politicians made a law to overrule scientists.