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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. Your voice is essential.

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

• Policy research driving enforcement

Join thousands of environmental advocates fighting against pollution.

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'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my voice prevents crisis. Now I'm leading others.' — Sarah K., Volunteer

We believe that nature can heal if we give it the chance. Our 20-year track record shows that change happens.