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

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

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

• Early warning systems of water quality shifts

Join thousands of climate leaders pushing back against pollution.

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

The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We propose solutions so communities can act.