Who We Are

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

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

Who We Are

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across industries to hold polluters accountable.

• Emergency support for crisis zones

The water that flows through you connects you to 7 billion people — and countless ecosystems. Join the fight.

Who We Are

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my data prevents extinction. Now I'm leading others.' — Jennifer M., Volunteer

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