Volunteer

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

This work is possible because of partners like you. Every contribution matters.

Volunteer

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

• Habitat restoration to revive ecosystems

Join thousands of climate leaders pushing back against pollution.

Volunteer

'Thirty years ago, this river was forgotten. Thanks to this organization, native fish are returning. I watch the difference daily.' — Dr. Robert L.

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