Leroy Mwasaru and his team tackled shoddy sanitation with a bioreactor that produces cooking fuel from so-called waste.
You can be thankful that the air you breathe will soon be a little cleaner. And if we all push the EPA, it might get even cleaner still.
Corporate giants like 3M, Cisco, and Kimberley-Clark are removing barriers to solar power by offering it as an employee benefit.
Cheap gas is not a good thing for the climate -- or for pre-Thanksgiving gridlock.
A new report looks at how America can get on course to avoid dangerous climate change. There are multiple pathways to that goal, but we gotta start now.
A New York Times investigation traces how oil-money influence and federal absence left a state's environment open to pillage.
Some teachers aren't having it.
The retail behemoth gets a lot of good press for putting up a few solar panels, but it gets far more electricity from coal than from the sun.
Beltway pundits keep saying Obama is about to “trade” Keystone approval for some other policy he cares about more. They are delusional.
We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.