The president is about to launch the largest climate change initiative in U.S. history, and it's not because he's a tree-hugging hippie.
In an interview with Grist, EPA Administrator Gina McCarthy and Energy Secretary Ernest Moniz suggested that frackers might need to be more forthcoming about their chemical cocktails.
The administration is giving federal agencies more time to weigh in on the pipeline. That means a decision will probably be pushed past the midterm elections.
Thirty U.S. senators stayed up all night long on Monday to talk about climate change. Did your senators join in the fun?
His Berkshire Hathaway investment group owns many of the flimsy rail cars used to transport oil, and it has vigorously fought tighter regulation.
ERM, which wrote the environmental study on Keystone XL, did dodgy and deceptive stuff, but none of it amounted to serious rule breaking, says the State Department's inspector general.
Podesta, an influential D.C. insider with a passion for climate action, is coming to the White House for a one-year stint as an adviser.
As part of his climate plan, the president cleans up his own house by calling on the federal government to use more renewable electricity.
Another member of Obama's environmental team is headed for the door. Sutley, chair of the White House Council on Environmental Quality, will step down in February.