On the cusp of historic ESA success, feds move to permanently isolate iconic bears.

As Endangered Species Act protection ends, it’s all about the numbers.

A new study reveals that air pollution from industrial sources increases levels of five different stress hormones.

Not only that, they’re giving each other tips on how to get away with it.

Science shows that killing wolves does more harm than good.

USDA’s Wildlife Services kills thousands of animals a year with exploding cyanide capsules.

In spite of 15 years of goal-setting, average nitrogen levels in the Mississippi have not declined.

Funding to forecast toxic algae blooms could be at risk, putting lakes and water supplies in danger.

Tigers aren’t sexy, especially if you're posing with one in captivity.

Drilling would also harm the cultural and religious core of the Gwich’in people.