The most famous rhino in the world has died, leaving behind two aging females and a hole in our world.

Disease outbreaks could be coming your way — our interactive map shows how you could be affected.

Mystery untreated sewage appears in Mexico just across the border from an Arizona wastewater-treatment plant, city official says.

Ecotourism brings valuable funds for conservation to the islands, but it also delivers a torrent of garbage that could damage this unique ecosystem.

Nearly half of all freshwater turtles and tortoises are at risk of disappearing forever, a new report warns.

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

With Youth v. Gov, the next generation of young Americans is stepping up to save itself from climate change and other threats.

Panama’s Barro Blanco dam was supposed to help fight climate change. It ended up damning a culture.

Eco-books coming out this March include volumes about Rachel Carson, environmental destruction, plant-based diets and radical resistance.

President Trump and Congress ignore the nation’s poorest residents along the U.S.-Mexican border, where an environmental health crisis threatens millions of lives.