2014 was a banner year for solar in the U.S., with 30 percent more photovoltaic installations than in 2013.
The change in New York could become a model for other states. Regulators in Hawaii are already considering a similar policy.
They might have vastly different visions for how to deal with Iran, but Obama and Netanyahu agree on the necessity of climate action.
New research links climate change to Syria's devastating civil war.
Experts explain why.
A new study pinpoints when ocean acidification will become a big problem near you.
ALEC is helping local lawmakers fight the Clean Power Plan.
The U.S. isn't as bad as you'd think …
Some Republicans and utilities want solar leasing to seem shady. But experts think their concerns are overblown.