Dams

a dam on a river

Death by a Thousand Dams

Tens of thousands of small barriers hamper fish recovery in the northeastern United States. But while the demolition of big dams out west gets the most attention, a similar revolution is revitalizing northeastern streams and rivers—one tiny dam at a time.

Latest in Dams
Migratory fish like these mountain mullet (Agonostomus monticola) are a common sight in Central American rivers.
Free-Flowing, For Now

Hundreds of new dams are currently planned for Central American rivers, posing a threat to Indigenous peoples and wildlife alike. Preserving the integrity of these corridors between the mountains and the sea will help them both.

Close the CTA

We’re 45 percent of the way there! Help us reach $20,000 by October 2.