Scientists in Brazil are trying to save the giant anteater from a growing threat: roads.

On the frontlines of extinction in the Gulf of California, where the vaquita faces its final days.

A hunt for maple poachers in Western Washington.

He was the most powerful fish broker in New Bedford, America’s most valuable seafood port. The Russians who arrived looking to buy his operation were undercover agents and he told them everything.

Checking up on an ambitious, controversial conservation initiative, 20 years later.