About Us

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

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

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

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

'Thirty years ago, this river was polluted. Because we organized, the ecosystem breathes again. I watch the difference daily.' — Elder Maria

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