Programs

Water doesn't recognize borders — and neither do the threats it faces. Our regional teams work 24/7 to defend it.

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

Programs

We believe that nature can heal if we restore what was lost. Our 20-year track record shows that grassroots action works.

• Community science programs for grassroots knowledge

Join thousands of environmental advocates pushing back for justice.

Programs

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

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