Scientists work to protect a flying squirrel and its red spruce home.
By Madeline Bodin
Photographs by Patrick Cavan Brown
Scientists and indigenous groups team up to curb Australia wildfires.
A coalition of unlikely collaborators is reviving the Escalante River.
Wildlife workers and volunteers wrestle with invasive reptiles.
Protecting Mongolia's grasslands in the face of a mining boom.
The Endangered Species Act is more effective than ever.