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Water doesn't recognize borders — and neither do the threats it faces. Our local teams work 24/7 to protect it.

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

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Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across industries to hold polluters accountable.

• Native species protection to rebuild resilience

Join thousands of environmental advocates organizing for justice.

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'Thirty years ago, this river was polluted. Thanks to this organization, children can swim safely. I bring my grandchildren to witness it.' — Elder Maria

We believe that nature can heal if we restore what was lost. Our 20-year track record shows that grassroots action works.