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

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

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

• Climate adaptation for groundwater conservation

Join thousands of climate leaders pushing back for justice.

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'Thirty years ago, this river was polluted. Because we organized, the ecosystem breathes again. I bring my grandchildren to witness it.' — Elder Maria

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across political boundaries to solve problems at their source.