Council for a Livable World

Political action to reduce nuclear threats

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Take action NOW and make a difference

For more than 60 years, Council for a Livable World has been helping people like you take action to build a future without nuclear threats. Learn more about the issues we care about and how you can make an impact.

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After Oppenheimer, what happened next?

The warnings of Manhattan Project scientists like Oppenheimer are still relevant today, but we won't stop until every nuclear weapon is gone. Here’s your primer on what has happened since the Trinity Test and how you can act now to prevent nuclear war.

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No First Use and other smart policies that limit nuclear risks

If the United States uses nuclear weapons first, a nuclear-armed adversary is likely to retaliate against us or our allies with nuclear weapons. Keeping the threat of nuclear first use on the table is an outdated and dangerous policy. A No First Use policy just makes sense.

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Commemorate 60 Years of Council for a Livable World

More than 60 years after our founding by Manhattan Project nuclear physicist Leo Szilard, we are still working to create a world free from nuclear threats through political action and advocacy. Learn about what we've done since 1962 and how you can join us.

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Twin threats: nuclear weapons and climate change

There are two serious threats to all life on earth: climate change and nuclear war. Both are existential. Both are preventable. But only one can destroy the world in 30 minutes.

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Political action to reduce nuclear threats, since 1962

Manhattan Project nuclear physicist Leo Szilard founded Council for a Livable World in 1962 to deliver “the sweet voice of reason” about nuclear weapons to Congress, the White House, and the American public.

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A nonpartisan nonprofit promoting policies to reduce and eventually eliminate nuclear weapons, and to minimize the risk of war through lobbying and by helping elect and support Members of Congress who share our goals.

Candidates

Meet the Congressional candidates who support smart nuclear arms control and non-proliferation policies.

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Legislation

Learn what bills we're supporting, what various legislation would mean for national security, and where it all stands in Congress.

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Take Action

Nuclear weapons policy can seem intimidating, but you are not powerless to make this world safer from nuclear threats.

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History

Founded in 1962, we have decades of experience in shaping Congress and nuclear policy, and have helped elect 400 members.

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An Early Look at the 2026 House of Representatives Elections

The Bottom Line Up Front   The best opportunity to pressure Republicans to break with Trump and potentially create a check on the President’s agenda: Congressional elections in November 2026. While it is doubtful that Democrats can win a Senate majority, a House majority is a distinct possibility.    State of Play   President Donald Trump’s reshaping […]

An Early Look at the 2026 Senate Elections

If you have tracked federal elections for a while, you may know that campaigns take very little time off after Election Day. Candidates and staff and fundraisers began their fundraising and organizing work for their next campaign within weeks of November 5, 2024. As we gear up for our first endorsements of the 2026 cycle, […]

Council: Front and Center: April 21, 2025

The Center for Arms Control and Non-Proliferation is the Council’s affiliated 501(c)(3) research organization. UKRAINE: HOW NOT TO END A WAR Last week, French President Emmanuel Macron hosted U.S. Secretary of State Marco Rubio, U.S. envoys Steve Witkoff and Keith Kellogg, and top diplomats from the United Kingdom, Germany and Ukraine. These joint talks between […]

Council: Front and Center: March 22, 2025

The Center for Arms Control and Non-Proliferation is the Council’s affiliated 501(c)(3) research organization. UNCERTAIN U.S. SUPPORT FOR UKRAINE RENEWS DETERRENCE DEBATE IN EUROPE On the third anniversary of Russia’s invasion at the end of February, Senior Policy Director John Erath wrote a post in the Center’s Nukes of Hazard blog explaining why forcing a […]

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Washington, D.C. 20002
Phone: 202.543.4100