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

This work is possible because of partners like you. Together we can turn the tide.

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The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We predict risks so nature can recover.

• Invasive management to revive ecosystems

The water that flows through you connects you to 7 billion people — and billions more organisms. Protect it 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 voice prevents harm. Now I'm leading others.' — Sarah K., 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.