Video: A waste reservoir at an alumina plant in Hungary burst on Tuesday, unleashing a river of red chemical sludge, and leaving four people dead and another six still missing. |
Video: An airport in inner Mongolia reportedly shut down due to UFO sightings. |
Mark Ruffalo, actor and environmental activist whose family lives in an area of upstate New York directly where 'fracking' is a common practice, explains the dangers to MSNBC's Rachel Maddow. |
Video: Dean Corren's vision of a greener world includes using New York City's East River to produce electricity. As technology director at Verdant Power, he's trying to make it happen with underwater turbines. |
Video: Officers say they thought the dog was a threat, but the Oakland, Calif., family wonders if the officers could have used less than lethal force. |
Video: With a story similar to "Avatar," film director James Cameron now finds himself on the side of native people in Canada's oil sands region, where their way of life is threatened by oil exploration and mining. |
Video: In a national monument that is still wild and undeveloped, fossilized animal tracks date back three hundred million years. |
Video: It's said that dog is man's best friend, but one man in Costa Rica is bucking the trend. Chito, a 52-year-old fisherman, and his crocodile Pocho have hardly spent a day apart in 20 years. |
Video: Former U.S. Air Force personnel claim they experienced UFO activity near nuclear sites at which they worked. |
