It took a decade of hard work, but one of the world’s most important wildlife corridors is now emerging from the fragmented forests of coastal Brazil.

A new study finds that the big cats and other endangered animals do best in places where there’s no phone coverage.

A Republican bill threatens to open up federal wilderness areas to mountain biking — and in the process threatens the 1964 Wilderness Act.

The last 150 birds of this critically endangered species rely on humans for their survival.

Guam’s birds have been killed by invasive snakes. Now trees struggle to spread their seeds.

Scientist Gleb Raygorodetsky explores the millennia-old relationships between indigenous communities and their local ecosystems, and how they can help us adapt to an uncertain future.

The Old-Growth Forest Network works to protect America’s shrinking woodlands.

A new report finds that malnutrition, unsafe water, drought, floods and other environmental dangers affect hundreds of millions of people worldwide.

Roads are a double-edged sword that can both help and harm.