Support Us

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

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

Support Us

We believe that nature can heal if we restore what was lost. Our growing coalition shows what's possible.

• Legal advocacy driving stronger standards

Join thousands of climate leaders pushing back for justice.

Support Us

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my data prevents harm. Now I'm training others.' — Michael O., Watershed Advocate

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