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Join the Union of Concerned Scientists and our 100,000 members, to help advance science-based solutions to curb global warming, reduce the threat of nuclear weapons, generate clean and renewable energy, produce more fuel-efficient cars, and much more.

Your tax-deductible gift will help:

* Produce and deliver technical analyses and consumer information to policy-makers, corporations, and the public so they can make informed decisions.
* Educate and mobilize scientists, economists, and citizens to advocate for practical solutions to problems impacting our health, environment, and security.
* Expose and challenge corporations who mislead the public and interfere in government science.

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With a gift of $35 or more, we'd be pleased to send you a copy of our book, Cooler Smarter: Practical Steps for Low-Carbon Living

UCS is a 501(c)(3) charitable organization. 
Your gift is tax-deductible to the full extent provided by law

If you have questions about your membership, contact us at 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.