Members

Programs

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. Every contribution matters.

Programs

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

Join thousands of climate leaders pushing back for change.

Programs

'Thirty years ago, this river was polluted. Because we organized, children can swim safely. I bring my grandchildren to witness it.' — Commissioner James

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