Lisa Jackson faced strong resistance from Republicans on solving environmental problems
Police extracted the two activists who risked serious personal injury in the latest escalation of protests
Armed with an inflatable pipeline, 3,000 environmentalists remind Obama of his election-night promise VIDEO
After a year of cataclysmic weather, there's one thing you can do to show the world you noticed. Will you?
Environmentalists often call their opponents "fascists" -- one construction supervisor seemed to suit the label VIDEO
Eleanor Fairchild was joined by actress Darryl Hannah to protest the Keystone XL pipeline on her ranch VIDEO
Focus on the pipeline distracts from the real question: Whether we should be using tar sands oil in the first place
It's a matter of when, not if, say Cornell economists
As the GOP gets desperate to blame higher gas prices on Obama, their role as the Gas and Oil Party becomes clearer VIDEO
Two Capitol Hill victories show environmentalists' strength -- but they may be temporary
The GOP tries every which way to undo the Greens' modest victory
Facing a Republican-imposed deadline, he rejects approval -- for now
Page 1 of 2 in Keystone XL pipeline
