Conservationists reintroduce a native species to its home.
A new study highlights a feedback loop between global warming and a forest insect.
Climate change could bring grave water shortages to the American Southwest.
See how human activity is changing fire patterns around the world.
Satellites show severe deforestation in a rare monarch butterfly overwintering site.
What happens when rivers are allowed to flow on their own?
Most coral reefs are badly degraded, but Kingman Reef is the picture of health.
A new study finds that mangrove forests and shrimp farms can coexist--to some extent.
A new study shows that pollutants can take a century or more to show up in rivers and streams.
Biologists have announced many Antarctic discoveries during International Polar Year.