Volunteer

Our work begins where rivers meet the sky and ends where groundwater feeds the soil. We use science to protect it all.

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

Volunteer

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

• Long-term scientific monitoring of water quality shifts

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

Volunteer

'Thirty years ago, this river was forgotten. Through their work, children can swim safely. I watch the difference daily.' — Professor Chen

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across generations to solve problems at their source.