An initiative of the Center for Environmental Journalism at the University of Colorado Boulder

Can Colorado’s source streams make a comeback? These scientists, and beavers, think so

Restoring natural infrastructure, such as beaver habitat and the wetlands it creates, could shield communities from damaging floods, remove toxins and high sediment loads from water, and reduce the apocalyptic effects of megafires.

Can the Ancient Humpback Chub Hang On in Today’s Grand Canyon?

It has survived invasive predators, too-cold water, poisoning, electro-shocks, and a ginormous dam. Still, the chub persists.

Once a rich desert river, the Gila struggles to keep flowing

Population growth, agricultural withdrawals and climate change have badly diminished the river and threaten its future.

The Colorado River Is Dying. Can Its Aquatic Dinosaurs Be Saved?

The razorback sucker has survived in the river for more than 3 million years. Climate change could end that.