We're in the midst of the Earth’s sixth mass extinction crisis. Harvard biologist E. O. Wilson estimated that 30,000 species per year (or three species per hour) are being driven to extinction.

An analysis of oil and gas pipeline safety in the United States reveals a troubling history of spills, contamination, injuries and deaths. This time-lapse video shows pipeline incidents from 1986 to ...

A program known as “Wildlife Services,” a unit of the U.S. Department of Agriculture, has long operated secretively for a reason: Its actions are incredibly brutal and inhumane to animals, from ...

Ocean waters cover three-quarters of the globe and are vast, mostly undiscovered havens for mysterious and diverse life. But the open oceans are also a free-for-all, barely regulated or policed.

• Secured a seafood import ban to pressure Mexico to save critically endangered vaquita porpoises, with only around 10 individuals remaining. • Sought protection for leopards, giraffes, pangolins, ...

La migración multi-generacional de la mariposa monarca es legendaria - un viaje de más de 2,000 millas de México a Canadá, realizado por animales que pesan menos de un gramo. La monarca desempeña un ...