The Environmental Protection Agency hasn't outlined any specific emissions limits for aircraft engines, but it has begun the process that would lead to them.
Years of drought have taken a toll on agriculture, particularly cattle ranching. Now instead of too little water, there's too much. But the rains may revive pastures and allow rebuilding of herds.
The Environmental Protection Agency has found no evidence that fracking has let to widespread, systemic pollution of water. Correspondent Jeff Brady tells NPR's Rachel Martin what the report means.
Search crews continue to look for three missing people after the Memorial Day weekend flood on the Blanco River. Meanwhile, those in Wimberley, Texas, are struggling to put their lives back together.
Though past measurements have suggested global warming all but stopped in the late 1990s, newly refined figures show Earth's warming has continued unabated.
An LA chef and his partner are cooking up recipes using ingredients that require less water to grow and cook with. They want to get us thinking about the resources that go into growing our food.
Last month's oil spill along the coast near Santa Barbara could be more far reaching than originally thought. The number of dead wildlife being recovered continues to grow by the day.
General Electric is entering the final year of a billion-dollar cleanup of PCB-contaminated water. The project was once controversial — now, even some early critics are asking for it to be continued.
Farmers in New Mexico are worried about the future of the state's most beloved crop: green and red chiles. They're increasingly relying on salty groundwater, which damages the soil and the crops.
Six of the nation's largest school districts are ditching polystyrene lunch trays in favor of compostable plates. The hope is that they'll incentivize cities to build more composting facilities.