Please find below links to a wide range of useful information about U.S. nuclear weapons policies, consequences of nuclear use, and proposals to reduce risks and prevent nuclear war.


Can We Prevent Nuclear War? A TED Talk with Dr. Ira Helfand

Dr. Ira Helfand, Co-president of International Physicians for the Prevention of Nuclear War and steering committee member of ICAN, Recipient of the 2017 Nobel Peace Prize, discusses the threat to human survival posed by nuclear weapons and what we can do to eliminate this threat.  Watch Video


The Treaty on the Prohibition of Nuclear Weapons

The Treaty on the Prohibition of Nuclear Weapons, or the Nuclear Weapons Ban Treaty, is the first legally binding international agreement to comprehensively prohibit nuclear weapons, with the goal of leading towards their total elimination. This landmark global agreement was adopted in New York on July 7, 2017. Learn More


Close Calls with Nuclear Weapons

Union of Concerned Scientists Interactive web feature: Spin the wheel to learn more about the close calls there have been with nuclear weapons, and why we can’t continue to trust this system to keep us safe.  Spin the Wheel


Ending Hair Trigger Alert

Union of Concerned Scientists’ background paper on how and why to take nuclear weapons off high alert and eliminate options to launch on warning of attack.  Read the Paper


Model the Effects of a Nuclear Detonation on Your City

NukeMap is an interactive map you can use to model the effects of a nuclear blast anywhere in the world, bringing the effects of potential nuclear weapons use quite literally close to home.  Explore the NukeMap


Setsuko Thurlow - Hiroshima Survivor on Adoption of UN Nuclear Weapons Ban Treaty

A speech given by Hiroshima survivor, Setsuko Thurlow, on the July 2017 adoption of the Treaty on the Prohibition of Nuclear Weapons at the United nations.  Read the Speech


Rebuilding the Nuclear Arsenal Fact Sheet

Arms Control Association fact sheets provide a basic overview of key agreements and issues. Here you can find more information on a wide range of nuclear weapons issues.  Read the Fact Sheet


An Alternative to Sole Authority

Union of Concerned Scientists’ proposal to include other policy makers in the decision making to launch nuclear weapons.  Read Proposal


Spending Less on Nuclear Weapons Could Actually Make Us Safer

Washington Post op-ed -William J. Perry, U.S. secretary of defense from 1994 to 1997, and James E. Cartwright, retired U.S. Marine Corps general and vice chairman of the Joint Chiefs of Staff from 2007 to 2011 argue that not only will scaling back the plans to replace the nuclear arsenal save billions that could be better spent elsewhere, it will actually improve our security.  Read Op-ed


The Risk of Nuclear Catastrophe is Greater Today Than During the Cold War

William J. Perry, U.S. secretary of defense from 1994 to 1997, explains why even though the public is less aware of it, the risk of nuclear war is greater today than at the height of the Cold War.  Read Commentary


Treaty on the Non-Proliferation of Nuclear Weapons (NPT)

The United States—like Britain, China, France, and Russia—pledged under Article VI of the Nuclear Non-Proliferation Treaty (NPT) to pursue negotiations in good faith on effective measures relating to cessation of the nuclear arms race at an early date and to nuclear disarmament. View the full treaty here.  Read About the Treaty


Here's Every Nuclear Weapon in the U.S. Arsenal

Union of Concerned Scientists Web Feature - Scroll through this visualization of all the U.S. nuclear weapons to get a feel for the full destructive power of the U.S. nuclear weapons arsenal and a quick view of some of our most dangerous policies.  Explore the U.S. Arsenal


Nuclear Nightmare: Washington D.C.

What would happen if terrorists exploded a crude nuclear bomb in Washington DC? Watch former Secretary of Defense William Perry's nuclear nightmare. Watch video