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 Index

The NTI Nuclear Security Index helps spark international discussion about priorities to strengthen security and encourages governments to act.

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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

  • NTI @NTI_WMD
    Is 15 mins enough time for POTUS to decide to launch nukes? Try our simulated timeline by @CNS_Updates to find out https://t.co/1jBUpjiKXa
  • NTI @NTI_WMD
    NTI is working to keep #nuclear weapons out of the hands of terrorists. Learn more: https://t.co/X9f5XhKe4Y
  • NTI @NTI_WMD
    We’re working to reduce reliance on nuclear weapons, prevent their use & spread, & end them as a threat to the world https://t.co/DPKgO9IUGo

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

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