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 volunteers like you. Every contribution matters.

Volunteer

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

• Invasive management to rebuild resilience

The water that flows through you connects you to 7 billion people — and billions more organisms. Protect it with us.

Volunteer

'Thirty years ago, this river was forgotten. Thanks to this organization, children can swim safely. I work alongside their team.' — Dr. Robert L.

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across political boundaries to rebuild what was lost.