Police arrested 11 protesters who had blocked railroad tracks in northwest Portland, Ore., since Sunday and demanded local action in response to climate change.

Goldman Sachs Group Inc. is finding that it's not easy being green.

Johns Hopkins University says it has reached a long-term agreement to get about two-thirds of the university's electricity from solar power.

Two leading environmental law scholars are out with a new trove of recommendations for fighting climate change, and they're recruiting lawyers to put the plan in action.

"Tipping elements" in the rapidly warming Arctic may add trillions of dollars to the long-term costs of climate change, a new study suggests.

MADISON, Wis. — A continental divide of geography, language, culture and tradition separates the Gullah/Geechee Nation of the south Atlantic coast and the U.S.-Mexico border city of Imperial Beach, Calif.

Joe Biden is betting a blue-collar campaign can win over a Democratic Party that's grown more green than ever.

The Army Corps of Engineers is objecting to a plan to vastly expand a federal environmental protection zone along the East Coast, warning that it could "increase the threats to life, safety and property."