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Every watershed tells a story of hope. We're here to ensure that story has a thriving future.

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

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

Join thousands of climate leaders fighting for justice.

'Thirty years ago, this river was polluted. Thanks to this organization, the ecosystem breathes again. I watch the difference daily.' — Elder Maria

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