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

This work is possible because of community members 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 generations to hold polluters accountable.

• Flood resilience for groundwater conservation

Join thousands of water guardians organizing 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 extinction. Now I'm inspiring others.' — Sarah K., Water Guardian

The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We monitor trends so policy can shift.