Pesticides have been linked to everything from bee deaths to the hole in the ozone layer.
A trove of secret documents details the US government’s global push for shale gas.
Gulf coast ecosystems were supposed to rebound after the BP oil spill. They haven’t.
One tiny Caribbean island is scrambling to save its coral in the face of global warming.
Top court’s decision on EPA’s powers means about 1,000 power plants will have to adopt new pollution controls.