A new plan released by the Interior Department opens up half a million acres for renewable energy development in Southern California.
Peabody Energy violated "New York laws prohibiting false or misleading claims," the state's attorney general found.
Paul Ryan called the president's rejection of the pipeline "sickening."
A study found that some extreme weather events are strongly influenced by climate change, while others are hardly linked to it at all.
The EPA is expanding its diesel emissions investigation to Volkswagen's luxury brands.
The 30-second commercial about climate change is part of a TV ad buy from NextGen Climate.
The deforestation nightmare in Indonesia is choking thousands and making climate change worse.
The plan was just formally published Friday morning, but it already faces legal challenges from 24 states.
We just had the hottest September on record -- but you’d never know from the Donald’s recent tweet.