There were roughly 400,000 lions in Africa in 1950, but the population has shrunk by about 90 percent.
An oil spill from BP's Whiting refinery was just the latest in a string of similar accidents across the U.S.
Kangaroo toots may smell like cheese and vinegar, but at least they’re fairly eco-friendly.
When Christie's administration unilaterally pulled out out of a regional cap-and-trade program in 2011, it broke the law, an appeals court rules.
What if buying fresh milk from local cows was as easy as getting junk food?
Did you know you can tell how polluted the air is based on the color of the sunset? And you can tell the color of long-ago sunsets from paintings.
Flummoxed by an oil company's changing stories, Carson City plays tough -- and faces a longer battle.
Survey shows that Californians choose low-emissions modes of transportation for twice as many trips as they did 10 years ago.
Contrary to popular commercial imagery, bears don’t drink out of bottles. But if they did, they'd find it a lot harder to get their paws on some Dasani.