Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
Countries in the low- and middle-income nations in Southeast Asia and western Pacific region are the hardest hit by air pollution.
Whether you choose cremation or burial, it can be difficult to die green.
Just because this volcano hasn't erupted in 70,000 years doesn't mean it isn't full of new information for the scientists who study it.
New findings complicate the 'biological evolution versus geological evolution' debate about Earth's early development.
Understanding the genetic code of trees can lead to improved breeding, especially for trees used for lumber, paper and biofuels.
Video: It's difficult to study active volcanoes up close for one big reason: It's dangerous. But Shaun O'Callaghan might have found a way.
Video: A ship collided with a barge carrying 924,000 gallons of oil on March 22, and the U.S. Coast Guard says about 168,000 gallons were released in the incident.
Video: The search for survivors continues in Washington state after a massive mudslide that killed at least 8 people and destroyed 30 homes.
Whales, dolphins, sharks and millions of fish die as bycatch in fishing nets every year, according to Oceana.
Conservationists on the Big Island go to great lengths to protect the unique, iconic and endangered species that roam its lands and waters.
Absorbing more carbon dioxide than they release, these vast forests can be credited with helping to lower levels of greenhouse gases in the atmosphere.
History is wrought with harrowing survival stories of exiled castoffs and marooned travelers who have defied the odds.
Here are 21 reasons why woodlands are wonderful.
Have you ever seen a tortoise adopt a hippo? Get ready to fall in love with these sweet animal pairs.
The fish punctured a hose connected to a BP oil tanker, resulting in an estimated $100 million loss.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.