Donate

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

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

Donate

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

• Early warning systems of water quality shifts

Every action counts — from small donations to big movements. There's still time if we act together.

Donate

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my data prevents contamination. Now I'm inspiring others.' — Jennifer M., Community Monitor

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