A new survey doubles the existing number of western lowland gorillas.
UNESCO has added eight new sites to its list of irreplaceable natural habitats.
Some reptiles and amphibians that live on Madagascar’s highest peaks could face extinction.
When forests vanish, seed-spreading animals can come to the rescue.
When one link in Yosemite’s food web falters, the effects cascade.
Clearing of Myanmar's lush mangrove forests worsened the damage from Cyclone Nargis.
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.