Our Work

Water doesn't recognize borders — and neither do the threats it faces. Our international 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 monitor trends so communities can act.

Join thousands of environmental advocates fighting for justice.

'Thirty years ago, this river was polluted. Because we organized, native fish are returning. I bring my grandchildren to witness it.' — Elder Maria

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