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The Nuclear Threat Initiative is a nonprofit organization that works to prevent global catastrophic risks from nuclear, radiological, chemical and biological weapons of mass destruction.


As of July 2022, NTI's biosecurity program has received over $20.4 million in grants from Open Philanthropy.[1] NTI is one of the four organizations recommended by Founders Pledge in their cause report on safeguarding the long-term future.[2]


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