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

• Invasive management to revive ecosystems

Every action counts — from small donations to big movements. We can still protect if we organize today.

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'Thirty years ago, this river was dying. Through their work, native fish are returning. I bring my grandchildren to witness it.' — Dr. Robert L.

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.