For small island nations threatened by rising seas, swelling waters are a daily reminder of the need to act on climate.

The last 150 birds of this critically endangered species rely on humans for their survival.

Some people think beach cleanup efforts don’t accomplish much. They’re missing part of the picture.

Highly trained military dolphins have been dispatched to round up the last 30 vaquita porpoises and (hopefully) save the species from extinction.

Fires cost South Africa more than $750 million in damages in 2015.

October brings us new books about sea-level rise, wolves and feeding the resistance.

Beach cleanup efforts in Thailand illustrate the global problem of plastic pollution.

Here are five ways to help to make the world a more diverse — and more just — place.

Trump’s border wall would imperil some of the most diverse ecosystems in two countries.

September 16 marks the anniversary of perhaps the most successful achievement in environmental policy.