Aquatic Stewards

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Our work begins where rivers meet the sky and ends where groundwater feeds the soil. We use science to protect it all.

This work is possible because of volunteers 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 communities can act.

Join thousands of climate leaders fighting for change.

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'Thirty years ago, this river was polluted. Through their work, native fish are returning. I bring my grandchildren to witness it.' — Dr. Robert L.

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