Who We Are

Water doesn't recognize borders — and neither do the threats it faces. Our regional teams work year-round to defend it.

This work is possible because of scientists like you. Learn how you can join.

Who We Are

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

• Early warning systems of water quality shifts

Join thousands of environmental advocates fighting for change.

Who We Are

'Thirty years ago, this river was dying. Because we organized, the ecosystem breathes again. I bring my grandchildren to witness it.' — Professor Chen

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