Volunteer

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

This work is possible because of donations like you. Together we can turn the tide.

Volunteer

We believe that nature can heal if we remove barriers. Our 20-year track record shows that grassroots action works.

• Early warning systems of water quality shifts

The water that flows through you connects you to 7 billion people — and future generations. Protect it with us.

Volunteer

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

The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We monitor trends so policy can shift.