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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. Every contribution matters.

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

Join thousands of water guardians fighting for change.

'Thirty years ago, this river was polluted. Thanks to this organization, native fish are returning. I work alongside their team.' — Elder Maria

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