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Help Reduce Nuclear Threats

Nuclear weapons pose serious threats to the U.S. and global security—but you can help.

Stay informed

We regularly provide timely action alerts and ways to voice the facts to policy makers. Sign up for updates and urgent alerts from UCS and never miss out.

Get in touch

We know one well-written letter to a newspaper can have a huge impact in raising an issue or voicing a particular policy recommendation. A well-timed call to a congressional staff member from a constituent has been known to convince a legislator to vote a certain way or has been very helpful in gathering critical information.

And that's where we come in. Contact our National Field Organizer Sean Meyer at 617-301-8065 or by email (smeyer [at] and discuss just how you can make a difference. We will talk about your interests and what kinds of lobbying activities make the most sense for you—making phone calls, writing letters, or organizing in the community.

Join the Science Network

Our country faces serious policy challenges on a range of international security issues, including nuclear weapons, space-based and anti-satellite weapons, missile defense, and nuclear terrorism.

The opinions and perspectives of scientists matter to policy makers and the public. The UCS Science Network is a nationwide network of scientists, focused on providing facts and analysis on today's most pressing issues.

Thousands of scientists and engineers from all 50 states, working in academia, industry, and government, have joined the UCS Science Network. As a participant, you'll receive timely and concise updates and analysis prepared by our Global Security Program staff and recommendations on how you can most effectively contribute to the policy debate.

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