How Climate Change Could Starve the Monkeys

Here’s when Earth’s climate became chaotic

Ecologists detect promising, early signs of river recovery

The recent Potomac River disaster follows centuries of pollution—but things are looking up

Glacier tourism tends to do more harm than good, and when the glaciers are gone, local economies will have to adapt

It nourishes endangered lemurs while destroying their habitats

Centuries of scientific progress are at stake