Volunteer

Water doesn't recognize borders — and neither do the threats it faces. Our international teams work year-round to defend it.

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

Volunteer

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

• Long-term scientific monitoring of water quality shifts

Join thousands of environmental advocates organizing for justice.

Volunteer

'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 inspiring others.' — Sarah K., Water Guardian

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