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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The Nuclear Threat Initiative has undertaken a large number of practical activities that have directly improved international security and US security. They have done things that will ensure that nuclear material can never be in hands of terrorists.

William Tobey
Former Deputy Administrator for Defense Nuclear Nonproliferation
National Nuclear Security Administration

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