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.
The new designations protect nearly 1.8 million acres of public lands that include Southern California's highest peak, thousands of Native American rock carvings, endangered animals and a ghost town.
Crews are working to permanently plug the methane gas leak that has forced hundreds from their homes in the Porter Ranch area of Los Angeles. Southern California Gas Company says the leak was temporarily fixed Thursday, after nearly four months of spewing methane into the air.