From flu-ridden sea lions to elephant die-offs, mass mortality events are becoming more common. We understand very little about their repercussions.

From Rio de Janeiro to Kanazawa, cities all over the globe are being recognized as biodiversity hot spots—and reimagining conservation in the twenty-first century.

While the administration has celebrated some major victories on climate change, two big opportunities for conservation have now fallen by the wayside.

Panic over predators sets humans up to have exactly the wrong kind of relationship with the ailing environment.

Habitat loss and climate change are decimating the species. What can the U.S. learn from Oklahoma tribes’ efforts to restore their migratory path?

Endless growth is destroying the planet. We know how to stop it.

Conservationists are waging an expensive fight of diminishing returns to save reefs and those who depend on them.

The coronavirus isn’t a reason to put climate policy on hold. It’s a warning of the calamities ahead.

Alaska's brown bears are still happy and healthy—but probably not for long.