Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
Animals that made the 2007 list were both threatened and 'evolutionarily distinct.'
Fueled by high temperatures and high winds, flames engulf Santa Barbara and drive more than 13,000 people from their homes.
Prince Charles tapped his very deep Rolodex to bring together some of the world's biggest stars to remind us that we still need to save the rain forests.
What happens when a species' population rebounds but its habitat is still shrinking?
The founder of the Sea Shepard Conservation Society and co-founder of Greenpeace talks about saving whales, sinking ships, and the documentary series Whale Wars.
Bear bile is a valued and highly prized substance in the world of traditional Chinese medicine, but at what cost?
Big game safaris swap rifles for tranquilizer guns.
The once-endangered animal is back in big numbers, and not everyone is happy about it.
Project Kaisei is a bold attempt to filter out and recycle plastic from the continent-sized patch of garbage in the Pacific Ocean.
The new hydroelectric plant may flood homelands and require building more dams upstream.
International nonprofit organization provides fruit and nut trees to Havasupai tribe to create orchards for perennial source of nutrition.
The elusive vendace is in danger now more than ever.
The story behind the Quaker parrots of Brooklyn.
A motion triggered video camera caught a bear getting down and giving a sexy (to a bear) dance on a pole, er... I mean, tree.
Some small hope emerges for the planet's rarest rhinos to escape extinction
Eco-entrepreneur on politics, energy and Earth's resources.
Russell blogs about the day's top science and eco-news.