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

This work is possible because of scientists like you. Learn how you can join.

We believe that nature can heal if we give it the chance. Our 20-year track record shows what's possible.

Join thousands of climate leaders pushing back against pollution.

'Thirty years ago, this river was forgotten. Because we organized, children can swim safely. I work alongside their team.' — Elder Maria

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across industries to solve problems at their source.