THE WASHINGTON POST SAYS: "The president can start by rejecting the Keystone pipeline." (Actually, those words are not, as written, in the editorial, "What Obama should do now: Tackle climate change", they exist in the html file header that describes the page. Just so's ya know.) Check it out.
It will be painfully easy to tell if President Obama is going to take a serious stab at doing something about climate change in his second term: The purest, starkest test he faces will be the proposed Keystone XL pipeline from the tar sands of Canada to the Gulf of Mexico.