Endangered Species

The relationship between wolves and people raises deep questions that we still need to answer, says environmental ethicist and philosopher Michael P. Nelson.

Biologist Carter Niemeyer says gray wolves can only survive if we embrace wild spaces and scientific truth, not hatred and fear.

The tiny fish doesn’t reproduce well in years when the water doesn’t flow. Several bad years in a row could push the species closer to extinction.

Books coming out this month examine wildlife crime, polluted cities, the diversity of bees and how democracy can stand up to climate change.

Conservationists have helped to save North America’s largest bird from extinction, but it’s still important to give every chick a chance to fly free.

The often-arrested social activist discusses his court case against Monsanto and the lessons it offers for other protestors.

YouTube is inspiring viewers across the globe to protect Hawaii’s Laysan albatross — but will that be enough in the face of climate change?

The fungus that causes white-nose syndrome continues its deadly spread west — but a meeting of bat researchers reveals cause for hope.

Atlantic salmon from Norway carry a dangerous disease that puts native Canadian fish at risk — and maybe those in the United States, too.

New research shows that 2,000-year-old baobab trees are suddenly dying. New trees won’t have a chance, either.