You can save virgin forests by using recycled toilet paper. But how hard is it to make the switch?
Two decades after the Exxon Valdez spill, Prince William Sound appears to be thriving again. But scientists are still finding toxic oil hiding underground
Environmentalists got a long-awaited victory on Thursday when a carbon cap-and-trade bill took a step toward becoming law, but some worry it won't have a meaningful impact on U.S. emissions
In the month since the H1N1 flu virus first emerged, public health officials have come a long way in profiling the disease. But the key question remains: How afraid should we be?
A new study delivers another blow to ethanol, suggesting that all things being equal, using biomass to create electricity rather than ethanol is more efficient and greener
The Obama Administration's Interior Secretary upholds Bush's last-minute changes to the Endangered Species Act
The acting head of the Centers for Disease Control and Prevention answers questions about an H1N1 flu vaccine, lessons from Katrina and balancing public reassurance and alarm
Panthera's innovative new conservation program in Brazil will offer free health care and education to local communities in exchange for big-cat protection
Two decades after the Exxon Valdez accident, spilled oil can still be found on Alaska's coast and the ecosystem has yet to fully recover
In a new book, Eco-Barons: The Dreamers, Schemers and Millionaires Who Are Saving Our Planet, author Edward Humes shows that the super-wealthy aren't all bad
The U.S. media corps is quickly eroding, which makes it dangerously less equipped to cover stories about the environment and climate change.
With a warming climate and the possibility of crop-threatening disease, the seed samples stored in the Svalbard Seed Vault could mean the difference between feast and famine
Asian Film Fireworks for the Fourth
Ask Your Questions: The New York Times' Bill Keller
Cartoons of the Week