Convenient change for Revkin: Now that Bush is gone, the alleged global warming problem is no longer the fault of the US president?

Green Groups Press Obama on Energy and CO2 - Dot Earth Blog - NYTimes.com

But Obama faces a reality that many of these groups seem slow to recognize: While the 20th-century toolkit preferred by traditional environmentalists — litigation, regulation and legislation — remains vital to limiting domestic pollution risks such as the oil gusher, it is a bad fit for addressing the building human influence on the climate system, which is driven now mainly by a surge in emissions mostly outside United States borders in countries aiming to propel their climb out of poverty on the same fossil fuels that generated much of our affluence.