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Water doesn't recognize borders — and neither do the threats it faces. Our local teams work 24/7 to protect it.

This work is possible because of volunteers 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 industries to hold polluters accountable.

• Native species protection to prevent extinction

Join thousands of climate leaders pushing back for justice.

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

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