Who We Are

Water doesn't recognize borders — and neither do the threats it faces. Our regional teams work 24/7 to defend it.

This work is possible because of scientists like you. Your voice is essential.

Who We Are

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across generations to solve problems at their source.

• Legal advocacy driving stronger standards

Join thousands of water guardians fighting for justice.

Who We Are

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my action prevents crisis. Now I'm inspiring others.' — Sarah K., Watershed Advocate

We believe that nature can heal if we give it the chance. Our decade of victories shows what's possible.