Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
The calculator -- not just for carbon anymore.
Learn how this river is being protected by using a new ultraviolet treatment instead of poisonous chlorine
The world's largest retailer is making real progress towards greening up its business, but let's not forget -- we're still talking about Walmart.
Smoky the Chihuahua is lucky to be alive after a barbeque fork ended up deep within his brain. But there's a happy ending.
Jon Stewart interviews the author of 'Unquenchable: America's Water Crisis and What to Do About It'.
Secretary of Agriculture Tom Vilsack gave his personal approval for a 381-acre clear-cut in America's largest stand of temperate rain forest.
Time + satellite photography = amazing time-lapse video of how we're changing the world.
State wildlife managers will train trappers to hunt and kill invasive pythons, which have become a deadly problem.
Veterinarians couldn’t bear to put down a 2-week old gosling with a broken leg, so they chose unprecedented surgery instead.
Long Island beachgoers get something to look at.
Researchers show that fish actually have personalities and react differently in stressful situations.
Massive wood laundering scheme may involve more than 3,000 companies.
Here are some good greener folks to follow on Twitter.
The penguins natural breeding area has been scraped away by natives and used for fuel.
Biologists have helped the endangered beetles make a comeback in the Northeast.
Eco-entrepreneur on politics, energy and Earth's resources.
Russell blogs about the day's top science and eco-news.