NTI experts bring years of experience at the highest levels of government and research to tackle nuclear, chemical, biological and radiological threats.

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NTI works with a range of partners on projects designed to reduce the global threats from nuclear, biological, and chemical weapons.

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We're in a race between cooperation and catastrophe. The threat is outpacing our response. Your support will make a difference.

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NTI Supports Vatican Conference on Disarmament

As part of its public education mission and commitment to the vision and steps toward a world without nuclear weapons, the Nuclear Threat Initiative provided support for a two-day symposium organized by ...



Under the Mountain

A new 3D model of North Korea’s nuclear test site suggests more nuclear tests may be on the way.

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View threat tutorials

NTI has developed interactive educational tools for anyone who wants to learn more about the threat posed by nuclear, chemical, and biological weapons.

Global nuclear policy

NTI works on Global Nuclear Policy to generate global momentum among governments to reduce the risks posed by nuclear weapons and materials.

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NTI on Twitter

    .@POTUS only has minutes (minutes!) to decide whether to launch nukes if the US is under attack. Click through our… https://t.co/lykFZXGZYI
    Wondering how much the U.S. spends on nukes? See our Nuclear Budget Tutorial by @CNS_Updates for a breakdown:… https://t.co/hDQhL5juHH
    Find all of our North Korea videos by @CNS_Updates in one place on our Youtube channel - then subscribe for updates… https://t.co/e7ujUR27Xo

As long as nuclear materials and facilities exist and the nuclear terrorism threat remains, the cooperative work necessary to prevent catastrophic nuclear terrorism must continue.

Joan Rohlfing
President and Chief Operating Officer
Nuclear Threat Initiative