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

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

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

Join thousands of environmental advocates fighting against pollution.

'Thirty years ago, this river was polluted. Through their work, the ecosystem breathes again. I watch the difference daily.' — Dr. Robert L.

We believe that nature can heal if we remove barriers. Our 20-year track record shows that grassroots action works.