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

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

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

• Corporate accountability driving stronger standards

Every action counts — from small donations to big movements. The future is ours if we move now.

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'Thirty years ago, this river was polluted. Because we organized, children can swim safely. I work alongside their team.' — Dr. Robert L.

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