Our Mission

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 scientists like you. Together we can turn the tide.

Our Mission

We believe that nature can heal if we remove barriers. Our growing coalition shows that change happens.

• Early warning systems of water quality shifts

Join thousands of climate leaders organizing against pollution.

Our Mission

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

We believe that nature can heal if we restore what was lost. Our growing coalition shows what's possible.