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Nuclear Threat Initiative @nti.org · 25/09/2026

The security landscape is changing, and so is who shapes it. NTI's CEO, Christine Wormuth joined a @wef panel this week on public-private cooperation, highlighting the private sector's expanding role in nuclear risk reduction and crisis prevention.

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Nuclear Threat Initiative @nti.org · 23/09/2026

34 years ago, the U.S. conducted the last nuclear weapons test at the Nevada Test Site. Shortly after, President George H.W. Bush signed a moratorium that brought explosive nuclear weapons testing to an end. No country, other than North Korea, has conducted an explosive nuclear weapons test since.

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Nuclear Threat Initiative @nti.org · 23/09/2026

A recent poll by NTI and ReThink Media reflects heightened awareness of AI, nuclear, and biological risks. An overwhelming majority of respondents said they support the United States working with China to mitigate these risks.

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Nuclear Threat Initiative @nti.org · 22/09/2026

As President Trump and President Xi prepare to meet this week, new YouGov polling commissioned by NTI and ReThink Media finds that nearly an overwhelming majority also supports working with China to mitigate nuclear, biological, and AI risks.

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Nuclear Threat Initiative @nti.org · 17/09/2026

As President Trump and President Xi prepare to meet in Washington on September 24, new YouGov polling commissioned by NTI and ReThink Media finds that nearly an overwhelming majority also supports working with China to mitigate nuclear, biological, and AI risks.

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Nuclear Threat Initiative @nti.org · 16/09/2026

The 2026 Nuclear Security Index reveals an alarming deterioration in nuclear security conditions in Russia and the United States, the countries that bear the greatest responsibility for global nuclear security as custodians of the vast majority of the world’s weapons-usable nuclear materials.

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Nuclear Threat Initiative @nti.org · 15/09/2026

Our 2026 Nuclear Security Index is now live. NTI’s Christine Wormuth, Scott Roecker, and Eric Brewer are in Vienna for the @iaeaorg.bsky.social’s 75th General Conference to share our recommendations and findings. Learn more about the Index at NTIIndex.org.

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Nuclear Threat Initiative @nti.org · 15/09/2026

The 2026 NTI Nuclear Security Index reveals an alarming deterioration in nuclear security conditions in Russia and the United States, the countries that bear the greatest responsibility for global nuclear security as custodians of the vast majority of the world’s weapons-usable nuclear materials.

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Nuclear Threat Initiative @nti.org · 15/09/2026

The NTI Index provides countries and areas with an agenda for action to usher in a new era of nuclear security leadership: specific recommendations tied to the data that governments can implement to close the gaps identified. Learn more about the recommendations at NTIIndex.org.

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Nuclear Threat Initiative @nti.org · 14/09/2026

The 2026 NTI Nuclear Security Index will be released tomorrow, September 15. Mark your calendars.

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Nuclear Threat Initiative @nti.org · 12/09/2026

At a moment when nuclear security risks are rising and global readiness is not keeping pace the 2026 NTI Nuclear Security Index offers an actionable agenda for countries to strengthen their nuclear security leadership.

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Nuclear Threat Initiative @nti.org · 25/08/2026

As the war in Iran hits its six-month mark, NTI’s Eric Brewer, who served in Democratic and Republican administrations, spoke to the @wsj.com about the unclear objectives of the war and the difficulties bringing it to an end. Read more. ⤵️ www.wsj.com/politics/nat...

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Nuclear Threat Initiative @nti.org · 12/08/2026

For this year's #CranesForOurFuture campaign, we honored the victims and survivors of Hiroshima and Nagasaki by hosting a children's art contest. NTI's Elizabeth Smith discusses how art carries Hiroshima's memory across generations. ⤵️ www.nti.org/risky-busine...

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Nuclear Threat Initiative @nti.org · 06/08/2026

81 years ago today, the United States dropped an atomic bomb on the city of Hiroshima, Japan. Hundreds of thousands of civilians were killed, and the world has never been the same. Today, we fold cranes to remember those lost and fight for a safer future. #CranesForOurFuture

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Nuclear Threat Initiative @nti.org · 03/08/2026

Sadako Sasaki was two when the United States bombed her city of Hiroshima. When she was just 11, she was diagnosed with cancer that was caused by radiation exposure. While sick, she folded 1,000 paper cranes in the hopes that her wish to live would be granted.

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Nuclear Threat Initiative @nti.org · 02/08/2026

Why do we fold cranes to commemorate 81 years since the U.S. bombings of Hiroshima and Nagasaki? Because of a young girl named Sadako Sasaki. 🧵

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Nuclear Threat Initiative @nti.org · 01/08/2026

Every August, people around the world honor the victims of the atomic bombings of Hiroshima and Nagasaki by folding paper cranes to represent hope for a world free from the threat of nuclear catastrophe. #CranesForOurFuture

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Nuclear Threat Initiative @nti.org · 31/07/2026

Kotone, age 13, from Saitama, Japan was selected as the winner of our 2026 kids art contest. Her depiction of #CranesForOurFuture’s work to carry forward lessons of the past and imagine a safer future where nuclear weapons are never used again is powerful. Learn more: CranesForOurFuture.org

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Nuclear Threat Initiative @nti.org · 31/07/2026

The U.S. is one of many countries looking to expand its nuclear energy capacity—meaning the demand for enriched uranium to fuel all those new reactors is set to grow, too. Laser enrichment tech has efficiency benefits to offer, but it also has some serious drawbacks. ⤵️ www.nti.org/risky-busine...

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Nuclear Threat Initiative @nti.org · 30/07/2026

The Africa Health Security Index tracks progress and gaps in preparedness. Our President and CEO, Christine Wormuth, spoke on our webinar yesterday about the findings and impact of the Index. Learn more: AHSIndex.org

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Nuclear Threat Initiative @nti.org · 22/07/2026

The 2026 Africa Health Security Index is out now. On July 29, join experts who shaped the Index for a discussion about what comes next and what it will take to close the gaps and strengthen health security capacities. #AHSIndex Register now: ghsindex.org/articles/tra...

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Nuclear Threat Initiative @nti.org · 20/07/2026

Calling all young artists! Create art inspired by the origami crane, a symbol of peace, hope, and resilience, and submit a photo of it to our Kid's Art Contest by July 27. The winner's work will be featured in the global Cranes for Our Future campaign this August. Submit at nti.org/art

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Nuclear Threat Initiative @nti.org · 13/07/2026

What gets measured gets addressed. The Africa Health Security (AHS) Index equips decision makers with evidence needed to prioritize investments in health security. This independent look at epidemic and pandemic preparedness capacities across African countries goes live on July 22!

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Nuclear Threat Initiative @nti.org · 26/06/2026

NTI's Eric Brewer at the "Friendly Proliferation" panel hosted by CATO: "If the United States make the decision to selectively allow proliferation...that fundamentally undercuts our role as the architect and the guarantor of the non-proliferation system."

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Nuclear Threat Initiative @nti.org · 24/06/2026

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Nuclear Threat Initiative @nti.org · 22/06/2026

At a time when the geopolitical environment is growing increasingly dangerous and complex, dialogue is essential. On June 17-18, NTI partnered with the Shanghai Institutes for International Studies (SIIS) to convene a dialogue in Shanghai.

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Nuclear Threat Initiative @nti.org · 16/06/2026

Last week, NTI's Rachel Staley Grant and David Stiefel joined global leaders and policymakers in Kuala Lumpur, Malaysia, for the Global Health Security Conference. They participated in a number of sessions focused on advancing solutions to strengthen health security worldwide.

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Nuclear Threat Initiative @nti.org · 13/06/2026

We're working hard to KNICKS nuclear and biological risk.

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Nuclear Threat Initiative @nti.org · 11/06/2026

Fútbol is life. ⚽️ As the World Cup kicks off, it's an important reminder of why we work to build a safer world. A world free from the threat of weapons of mass destruction (and Dani Rojas’s penalty kicks) is a world free to enjoy the sport that brings us all together. #FutbolisLife

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Nuclear Threat Initiative @nti.org · 10/06/2026

As President John F. Kennedy said 63 years ago today, “No problem of human destiny is beyond human beings. Man’s reason and spirit have often solved the seemingly unsolvable—and we believe they can do it again.” (President John F. Kennedy's "Peace Speech" From C-Span)

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Nuclear Threat Initiative @nti.org · 09/06/2026

Doing some research for our World Cup campaign. Stay tuned. 👀 #WorldCup #FutbolisLife

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Nuclear Threat Initiative @nti.org · 08/06/2026

Unlike the Knicks being in the NBA finals, some things, like explosive nuclear weapons testing, should stay in the 90s.

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Nuclear Threat Initiative @nti.org · 06/06/2026

Vroom and boom rhyme. Makes you think.

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Nuclear Threat Initiative @nti.org · 26/05/2026

If you are in the DC area on June 11th, NTI is hosting its first-ever summer social! Mingle and network over happy hour while NTI experts break down some of the most pressing nuclear and biological security issues of our time, and what we can all do about them.

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Nuclear Threat Initiative @nti.org · 23/05/2026

We have your back. 🫡 🫡 🫡

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Nuclear Threat Initiative @nti.org · 21/05/2026

Today's the last day of The Late Show with Stephen Colbert. While known for his comedy, Colbert made room for serious conversations, including those about nuclear risk. Our former CEO, Ernest Moniz, appeared multiple times, making the case that nuclear risk isn't something we can afford to ignore.

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Nuclear Threat Initiative @nti.org · 19/05/2026

At the Riga Dialogue in Latvia, NTI’s Mark Melamed joined transatlantic experts and officials to discuss Euro-Atlantic security. On the panel “Regional Resolve: From Frontline to Strategic Leadership,” he highlighted the region’s potential to lead on advancing steps to reduce nuclear risks.

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Nuclear Threat Initiative @nti.org · 19/05/2026

Our CEO Christine Wormuth appeared on the 3 Takeaways podcast to discuss a range of national security issues.

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Nuclear Threat Initiative @nti.org · 12/05/2026

NTI's Alex Tiersky leads our government relations team, working to better connect NTI's strong national security expertise with policymakers. He recently sat down with Keirstin Anderson to discuss his work at NTI and what motivates him. Read his full interview now: www.nti.org/risky-busine...

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Nuclear Threat Initiative @nti.org · 06/05/2026

We are deeply saddened by the loss of our founding Co-Chair Ted Turner. Ted was an extraordinary philanthropist, conservationist, entrepreneur, friend, and colleague. Ted’s optimism, determination, and energy will be deeply missed at NTI, but his memory will continue to inspire us all.

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Nuclear Threat Initiative @nti.org · 01/05/2026

At the UN event on Nuclear-Weapon-Free Zones, NTI's Mark Melamed said, “I think the reality is, in fact, that the zones are a part of how these regions and the states involved in them have chosen to manage security. I think that is a really important but under appreciated aspect of the zones.”

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Nuclear Threat Initiative @nti.org · 30/04/2026

Another example of a situation that could use guardrails.

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Nuclear Threat Initiative @nti.org · 30/04/2026

Guardrails. Guardrails. Guardrails.

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Nuclear Threat Initiative @nti.org · 29/04/2026

We are thrilled to welcome three new leaders to our Board of Directors. Senator Todd Young, an honorary member, and Sean O'Keefe and Admiral John Richardson bring valuable experience and expertise to shape NTI's trajectory.

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Nuclear Threat Initiative @nti.org · 27/04/2026

Nuclear-weapon-free zones (NWFZ) are one of the most successful and enduring elements of the global effort to prevent the spread of nuclear weapons. NTI is co-hosting a side event on strengthening NWFZ at the 11th Review Conference of the Treaty on the Non-Proliferation of Nuclear Weapons.

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Nuclear Threat Initiative @nti.org · 26/04/2026

"I asked chatgpt" "I asked grok" well I asked Jared Harris from the critically acclaimed HBO miniseries Chernobyl and he said this is how an RBMK reactor core explodes.

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Nuclear Threat Initiative @nti.org · 10/04/2026

We have proposed a managed access framework (a way to ensure we're using AI for good) for biological AI tools, matching who can use a given tool to the risk level of the model rather than blanket restrictions. @Stephenturner.us covers this in his latest piece. ⤵️ theconversation.com/ai-can-desig...

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Nuclear Threat Initiative @nti.org · 10/04/2026

“This is basically what happened in the case of Fukushima, where they lost power and then the cooling, and they had a meltdown,” NTI's Scott Roecker says to @sipappas.bsky.social of @sciam.bsky.social on the risks of bombing Iran's nuclear power plant.

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