About Us

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

This work is possible because of scientists like you. Your voice is essential.

About Us

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

• Emergency support for crisis zones

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

About Us

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

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