Initiatives

Our work begins where rivers meet the sky and ends where groundwater feeds the soil. We use science to protect it all.

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

Initiatives

We believe that nature can heal if we remove barriers. Our 20-year track record shows what's possible.

• Early warning systems of water quality shifts

The water that flows through you connects you to 7 billion people — and countless ecosystems. Protect it with us.

Initiatives

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

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