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The Union of Concerned Scientists brings sound science to some of the most critical environmental and global security challenges of our day. Your donation allows us to be an independent voice for policy change and to continue developing science-based solutions to important environmental issues. For your annual membership of $25 or more, we will send you our quarterly newsletter, Earthwise, and our magazine, Catalyst.


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If you have questions about your membership, contact us at member@ucsusa.org or call 1-800-666-8276. Thank you for your support.

*With a gift of $1,000 or more, Henry Kendall Society members help ensure real-world solutions to the critical environmental, energy, and global security challenges of our day.