While warmer weather might make farming possible in cold regions such as Siberia, it's already causing havoc on existing farmland in the south of Russia.
From 1989 to 1994, the estuary between mainland South Florida and the Keys was in collapse. Sea grass died and algae bloomed. Now it's happening again.
For many, the alligator is the face of the Florida Everglades. But the reptiles are shrinking in size and population, a signal that the watershed might not be doing as well as it should.
The Everglades lost half its ecosystem after Tamiami Trail was built through the heart of the national park in the 1920s, cutting off water flow. Now, restoration efforts are finally taking effect.
The question of what caused Easter Island's demise is a matter of hot debate. War is often blamed, but new research suggests that obsidian blades on the island were used for farming — not fighting.
Catch share programs — where fishermen are allotted a set quota of the catch --reduce the notoriously risky behavior fishermen are known for, like sailing in stormy weather, a new study finds.
By 2050, it's estimated the oceans will contain more plastic than fish, by weight. One entrepreneur says he's developing a tool to remove much of that plastic.
The California Air Resources Board was recording with an infrared camera as the methane leak on the outskirts of LA was finally controlled Thursday. The leak still needs to be permanently capped.