Video: Alexandra Cousteau revisits Scott St. Pierre in Louisiana and learns how he and others are coping with the oil spill. |
Video: Volunteers get dirty, have fun, and perform a public service. |
Video: President Obama, standing alongside his daughters, Sasha and Malia, pardons two Thanksgiving turkeys. |
Video: President Obama announces plans to deliver a two-hour speech explaining his reasons for granting clemency to Cranberry, the Thanksgiving turkey. |
Video: David Mizejewski of the National Wildlife Federation shows TODAY's Kathie Lee and Hoda some of the animals that our forefathers would have encountered. |
Video: New York Jets lineman Kris Jenkins talks about educating youth about planting trees. |
Video: Smart-growth advocates in Idaho try to preserve scenery, wildlife and open space in the aftermath of a housing boom that came to a screeching halt. |
Video: Danish environmentalist Bjorn Lomborg discusses his new film 'Cool It,' which offers alternative views on green technologies. |
Video: Sustainable Waves, a San Diego company run by two environmental entrepreneurs, provides stages, solar power and batteries to music festivals around the country. |