It seems the Whitehouse doesn't feel the need to acknowledge the threat of harmful greenhouse gases and how it affects the environment. Bullying the EPA to remove portions of a document that would help regulate vehicle emissions and help give an economic boost.
Over the past five days, the officials said, the White House successfully put pressure on the E.P.A. to eliminate large sections of the original analysis that supported regulation, including a finding that tough regulation of motor vehicle emissions could produce $500 billion to $2 trillion in economic benefits over the next 32 years. The officials spoke on condition of anonymity because they were not authorized to discuss the matter.
-NY Times
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NASA created a map comparing the temperature of the earth from 1891 to 2006 that you can check out here. There is also a video.