GOP operatives say the issue of climate change won't affect the election, but they might be missing the bigger picture.
This solar-reflective lime-green paint could cut gas bills, too.
Hillary and Bernie have differences on climate. Why don't we hear about them at the debates?
If we don't live to tell this incredible story, then what was it all for?
The current president has protected more land and water than any other in history.
Here's our recipe for planet-friendly lube.
Bill de Blasio's proposal would encourage density and transit access, but it wouldn't create nearly enough new dwelling units.
Researchers have quantified the impact of 40 years of mountaintop removal, and it doesn't look pretty.
There might be some reasons for Congress to grill the EPA leadership about its clean water rules, but this hearing couldn't find them.