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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 volunteers like you. Together we can turn the tide.

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

• Community science programs for grassroots knowledge

Join thousands of climate leaders organizing for justice.

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'Thirty years ago, this river was polluted. Thanks to this organization, the ecosystem breathes again. I work alongside their team.' — Commissioner James

We believe that nature can heal if we give it the chance. Our decade of victories shows that change happens.