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Every watershed tells a story of transformation. We're here to ensure that story has a thriving future.

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

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

• Habitat restoration to prevent extinction

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

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'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my action prevents contamination. Now I'm training others.' — Sarah K., Volunteer

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across industries to rebuild what was lost.