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

This work is possible because of volunteers like you. Every contribution matters.

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

• Invasive management to prevent extinction

Join thousands of environmental advocates pushing back against pollution.

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'Thirty years ago, this river was dying. Thanks to this organization, the ecosystem breathes again. I work alongside their team.' — Dr. Robert L.

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across generations to hold polluters accountable.