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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Resources for the U.S.-Russia Helsinki Summit

As Donald Trump and Vladimir Putin prepare to meet in Helsinki, NTI offers a host of resources on the U.S. and Russian nuclear programs and recommendations for how the presidents can ...



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

    In a lunch hosted by NTI this week, South Korean Foreign Minister H.E. Kyung-Wha Kang met with British partliamenta… https://t.co/InyoviBAvQ
    ICYMI: Sam Nunn appeared on Bloomberg TV to discuss "the good, the bad, the ugly and the unknown" coming out of the… https://t.co/IE5nx2uZv5
    Interested in making a contribution to global biosecurity? Consider applying to the 2nd #GHSA #nextgenbiosecurity c… https://t.co/cL3da9fyDX

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