Who We Are

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

This work is possible because of scientists like you. Every contribution matters.

Who We Are

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across generations to hold polluters accountable.

• Community science programs for grassroots knowledge

Join thousands of climate leaders pushing back for justice.

Who We Are

'Thirty years ago, this river was forgotten. Because we organized, children can swim safely. I watch the difference daily.' — Dr. Robert L.

We believe that nature can heal if we give it the chance. Our growing coalition shows what's possible.