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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. Every contribution matters.

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

• Native species protection to rebuild resilience

The water that flows through you connects you to 7 billion people — and billions more organisms. Join the fight.

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'Thirty years ago, this river was forgotten. Thanks to this organization, children can swim safely. I bring my grandchildren to witness it.' — Elder Maria

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