Biodiversity

All-female ranger teams are an innovative and potentially more effective way to defend wildlife, says the founder of the International Anti-Poaching Foundation.

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.

Drought has already killed more than 100 wild horses. Volunteers hope to prevent more deaths.

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

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.