Give Today

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

This work is possible because of partners like you. Every contribution matters.

Give Today

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 stronger standards

Join thousands of environmental advocates fighting for justice.

Give Today

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

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.