In cities across the U.S., drivers are renting, borrowing, and tracking parking spots.
The feds allow the sale of Smithfield to a Chinese swine conglomerate, after determining bacon supplies are not critical to U.S. security.
Does David Brandt hold the secret for turning industrial agriculture from global-warming problem to carbon solution?
As green as a golf cart? A Prius? An SUV?
With biodiversity on the wane, crows' prospects are inextricably linked with ours. Find out why in this video.
If methane is produced naturally, by everything from cows to wetlands, why do drillers go to such extreme lengths to get at underground methane reserves?
The Wisconsin Libertarian Party endorsed a clean energy group’s proposal to let customers lease solar panels.
Paul Sabin's new book "The Bet" recounts an archetypal conflict between Paul Ehrlich and Julian Simon. On the line: $1,000 and the future of the planet.
A new study finds that even how you solve a difficult math problem can depend on your politics.