Impact

Water doesn't recognize borders — and neither do the threats it faces. Our international teams work year-round to defend it.

This work is possible because of scientists like you. Learn how you can join.

Impact

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

• Corporate accountability driving enforcement

The water that flows through you connects you to 7 billion people — and billions more organisms. Stand with us.

Impact

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

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