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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Statement from NTI on the Passing of Pete Domenici

We are deeply saddened by the loss of our founding Board Member Pete Domenici. Senator Domenici was an outstanding leader in the United States Senate, and in his post-Senate career, he continued ...



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

    RT @pulitzercenter: Watch: Your questions about nuclear war with North Korea answered ➡️ https://t.co/YmY0QlvyzO @eosnos @NewYorker https:/…
    RT @T_Inglesby: Looking forward to tonight's mtg on promise and peril of Biology and Technology @wef & @NTI_WMD in NYC
    RT @ctbto_alerts: FM of #HolySee, Archbishop Paul Gallagher calls for EIF of CTBT; 2 decades too long to wait; #UNGA https://t.co/3tKrrywipL

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