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Belfer Center for Science and International Affairs

@belfercenter.bsky.social
845 followers 40 following 59 posts

The Belfer Center for Science and International Affairs is the hub of Harvard Kennedy School's research, teaching, and training in international security and diplomacy, environmental and resource issues, and science and technology policy. belfercenter.org

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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 01/10/2026
🚨Our Fellowship Application Portal is now open for the 2027-2028 academic year. Learn more and apply: www.belfercenter.org/fellowships
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Matthew Bunn @matthew-bunn.bsky.social · 23/09/2026
Proud to be launching a podcast, "Face-Off: Nuclear Anarchy?" with Pulitzer-Prize winning journalist Jane Perlez exploring nuclear dangers with a range of global experts -- and then discussing the issues with me at the end of each episode. 1st episode Oct. 6. Check out the trailer:
podcasts.apple.com
Introducing Face-Off: Nuclear Anarchy?
Podcast Episode · Face-Off · S4 Trailer · 6m
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 22/09/2026
📆 Mark your calendars: Belfer Center Fellowships open for application on October 1, 10:00am ET, for the 2027-2028 academic year. More information is available on our website: www.belfercenter.org/fellowships
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International Security @intsecurity.bsky.social · 04/06/2026
The new Spring 2026 issue is online! Articles by @eunajo.bsky.social, @jessicacweiss.bsky.social, Rosato, @fiona-cunningham.bsky.social, Ven Bruusgaard, Joshi, @rohanmukherjee.bsky.social, @kerbydavis.bsky.social, Gholz Correspondence on paradigms, realism, Ukraine direct.mit.edu/isec/issue
direct.mit.edu
Volume 50 Issue 4 | International Security | MIT Press
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Juliette Kayyem @juliettekayyem.bsky.social · 24/03/2026
"These twin crises (airport lines and aviation safety) are separate but related: They are both the result of an approach to governance that neglects the work of governing." My essay in @theatlantic.com www.theatlantic.com/ideas/2026/0...
theatlantic.com
There Were Warnings
Americans are learning that public safety is not a given.
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Jacqueline L. Hazelton @drjlhazelton.bsky.social · 18/03/2026
Iran and the Strait of Hormuz: Still so relevant today. @proftalmadge.bsky.social @ssp-mit.bsky.social @belfercenter.bsky.social @intsecurity.bsky.social
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Amanda Pearson @pearson-edits.bsky.social · 25/02/2026
Winter 2026 issue preview @intsecurity.bsky.social! R. Krebs| why populists love dead soldiers @janinadill.bsky.social et al. | local consent for military interventions @lmaschmeyer.bsky.social | AI & cyberattacks Brenner | AI & strategic surprise @johnseverini.bsky.social & Biddle | naval warfare
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 29/01/2026
On Feb. 5, New START, the last treaty limiting U.S. and Russian strategic nuclear arms, will expire—a dark milestone. President Trump has an opportunity to put off nuclear competition and explore whether new accords can help avoid it, argues Professor @matthew-bunn.bsky.social for @thehill.com.
thehill.com
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 16/12/2025
🚨New book: Atomic Backfires: When Nuclear Policies Fail is a sobering edited volume on how efforts to reduce nuclear weapons dangers may sometimes wind up exacerbating them. In a field fixated on finding solutions, Atomic Backfires provocatively takes the opposite tack.
belfercenter.org
Atomic Backfires: When Nuclear Policies Fail
A sobering edited volume on how efforts to reduce nuclear weapons dangers may sometimes wind up exacerbating them, edited by Stephen Herzog, Giles David Arceneaux, and Ariel F. W. Petrovics.
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 24/11/2025
⌛One week left to apply! If you’re looking to deepen your expertise, expand your professional community, and contribute to policy-relevant research, now is the time to submit your application for a Belfer Center Fellowship — the deadline is December 1. Learn more: www.belfercenter.org/fellowships
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Senem Aydın-Düzgit @senemaydndzgit.bsky.social · 21/11/2025
Our middle powers project at the @belfercenter.bsky.social has now published its first reports, including mine on Turkish foreign policy 👇
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 21/11/2025
“China is a status quo power concerned with regime stability,” three East Asia scholars write in a provocative new piece for @intsecurity.bsky.social, “and it remains more inwardly focused than externally oriented.” @polgreen.bsky.social writes for the @nytimes.com.
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 21/11/2025
🚨 Now Published: Middle Power Case Studies Amidst great-power rivalry between the U.S. and China, a growing group of “Middle Power” countries are rising in prominence and potential, challenging the international order. Through the Belfer Center's Middle Powers project, we interrogate this trend.
belfercenter.org
Middle Powers: An Intellectual Framework
Belfer Center Director Meghan L. O'Sullivan, Rana Mitter and Moeed Yusuf - together leading the Middle Powers Project - outline its scope and ambition.
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Academy of Social Sciences @acadsocsciences.bsky.social · 19/11/2025
In the final episode of season 9 of the We Society podcast🎙️Will Hutton is joined by Prof Rana Mitter, @belfercenter.bsky.social @harvardkennedy.bsky.social, to discuss modern China and its global role, including the future of US-China relations. Listen now 👂➡️ podfollow.com/the-we-socie...
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 13/11/2025
🖋️Critical Mineral resource management, supply chain dynamics and international policy development are some of the most strategic geopolitical issues of our time. From powering clean-energy transitions to advanced tech, these are the raw materials that modern economies—and national security—rely on.
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 28/10/2025
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International Security @intsecurity.bsky.social · 28/10/2025
1) ***Announcement*** The new Fall 2025 issue is online! Read articles by Marc Trachtenberg, @aaronbateman.bsky.social, @ajmount.bsky.social, Dong Jung Kim, and @mikegoldfien.bsky.social direct.mit.edu/isec/issue @mitpress.bsky.social @belfercenter.bsky.social
direct.mit.edu
Volume 50 Issue 2 | International Security | MIT Press
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 22/10/2025
📖 The energy weapon has returned - and it's changing the rules of global power. In a new Foreign Affairs article, Meghan O'Sullivan, Director of the Belfer Center, and co-author Jason Bordoff argue that the necessary policy responses could provide a powerful boost to the clean energy transition.
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 21/10/2025
Belfer Center Fellowships are open for application through December 1, 2025. @mbudjeryn.bsky.social, Senior Researcher at MIT and Associate with the @managingtheatom.bsky.social, reflects on her time at Harvard Kennedy School as "life changing."
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Jacqueline L. Hazelton @drjlhazelton.bsky.social · 17/10/2025
New podcast from @intsecurity.bsky.social Nick Anderson and Daryl Press argue that the current U.S. approach for operating airpower to defend Taiwan risks catastrophic defeat. Hardened aircraft shelters may offer a way to blunt Chinese attacks. @belfercenter.bsky.social @mitpress.bsky.social
international-security.simplecast.com
8 – Airpower and the Sino-American Contest for Military Primacy in Asia | The International Security Podcast
Nicholas Anderson and Daryl Press argue that the current U.S. approach for operating airpower to defend Taiwan risks catastrophic defeat. They have created a new, unclassified, and transparent model t...
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Matthew Bunn @matthew-bunn.bsky.social · 09/10/2025
Congratulations to former Managing the Atom Stanton Fellow Sébastien Phillippe, winner of a MacArthur Fellowship (the "genius grant")! Amazing work, from disarmament verification to remarkable work assessing past consequences of nuclear testing and potential consequences of nuclear war.
macfound.org
Sébastien Philippe
Exposing past harms and potential risks from building, testing, and storing launch-ready nuclear weapons.
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 01/10/2025
🚨Belfer Center Fellowship applications for the 2026-27 academic year are now open! Supporting academic & professional tracks, our fellowships are open to doctoral candidates, recent Ph.D. recipients, and practitioners from the public and private sectors. More info: www.belfercenter.org/fellowships
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High North News @highnorthnews.bsky.social · 29/09/2025
"Just a year and a half ago, #Greenland's foreign policy strategy was basically one big invitation to the #US for cooperation. Then #Trump destroyed the trust and interest from Greenland," says Ulrik Pram Gad, Senior Researcher @diis.dk. #Arctic @fridtjofnanseninst.bsky.social
bit.ly
Denmark, Greenland and Iceland's Reactions To Trump
Oslo (High North News): "Just a year and a half ago, Greenland's foreign policy strategy was basically one big invitation to the US for cooperation. Then Trump destroyed the trust and interest from Gr...
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François Diaz-Maurin @francoisdm.bsky.social · 25/09/2025
🚨 JUST IN: President Donald Trump has an opportunity to avoid the dangers of an unrestrained nuclear arms competition—something he has repeatedly warned about. Will he seize it? Latest by Matt Bunn (@matthew-bunn.bsky.social) in @thebulletin.org #nuclearweapons #nukesky #Trump #Putin #China
thebulletin.org
Putin just gave Trump the opportunity to maintain nuclear restraint. Will he seize it?
Extending New START will also give time for Trump to work with Russia and China on future arms control accords.
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Matthew Bunn @matthew-bunn.bsky.social · 23/09/2025
Important WaPo story on the challenges of reprocessing, quoting me and others: www.washingtonpost.com/business/202...
washingtonpost.com
Trump’s nuclear ‘renaissance’ rests on risky plan for radioactive waste
The administration goes all-in on recycling spent fuel, despite a history of spectacular mishaps, including an unintentional atom bomb.
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 22/09/2025
🛰️What counts as a "novel space activity?" Why do these activities matter for industry and policy? And how does a new Executive Order, released by the White House in August, aim to close these regulatory gaps? Read a new Belfer Center explainer by space experts: www.belfercenter.org/research-ana...
belfercenter.org
Explainer: Novel Space Activities in the Executive Order on Enabling Competition in the Commercial Space Industry
Research and insight to improve policy and governance at local, national, and global levels.
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 22/09/2025
New: The Task Force on Nuclear Proliferation and U.S. National Security today published its final report urging the U.S. to strengthen its strategy to prevent the spread of nuclear weapons and safeguard national security. Convened by the @carnegieendowment.org, @nti.org and the Belfer Center.
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 18/09/2025
💡New, by Rabia Akhtar, Associate of the Belfer Center's Managing the Atom Project - what does the Strategic Mutual Defense Agreement signed by Saudi Arabia and Pakistan yesterday actually mean for the global nuclear security landscape?
belfercenter.org
Beyond the Hype: Pakistan-Saudi Defense Pact Is Not a Saudi Nuclear Umbrella
Rabia Akhtar, Associate with Managing the Atom, writes about the Strategic Mutual Defense Agreement signed by Saudi Arabia and Pakistan in Riyadh, September 2025.
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 17/09/2025
The Belfer Center for Science and International Affairs at Harvard Kennedy School is pleased to announce that Ambassador Ivo Daalder has joined the Center as a Senior Fellow.
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Dr. Syra Madad, DHSc @drsyramadad.bsky.social · 09/09/2025
Public Health in Peril: Why Recent CDC Resignations Matter to Us All www.belfercenter.org/research-ana...
belfercenter.org
Public Health in Peril: Why Recent CDC Resignations Matter to Us All
Syra Madad writes that the departure of five top officials at the Centers for Disease Control and Prevention (CDC) is a seismic blow to public health credibility, and a rebuke of political interferenc...
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 02/09/2025
Political anxieties have piled up and put an end to an era of public optimism, writes International Relations Professor @stephenwalt.bsky.social for @foreignpolicy.com.
foreignpolicy.com
How Fear Killed Liberalism
Political anxieties have piled up and put an end to an era of public optimism.
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Bulletin of the Atomic Scientists @thebulletin.org · 28/08/2025
The World Bank has ended its ban on funding nuclear energy projects. Marina Lorenzini of @belfercenter.bsky.social writes on what to expect next. ⬇️
thebulletin.org
The World Bank can now fund nuclear energy projects: Here’s what’s next
After ending its ban on funding nuclear energy projects, the World Bank will infuse nuclear expertise into its teams of economists and country experts.
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Jacqueline L. Hazelton @drjlhazelton.bsky.social · 23/08/2025
Read this great new piece on China in International Security! direct.mit.edu/isec/article... @daveckang.bsky.social @belfercenter.bsky.social @mitpress.bsky.social @intsecurity.bsky.social
direct.mit.edu
What Does China Want?
Abstract. The conventional wisdom is that China is a rising hegemon eager to replace the United States, dominate international institutions, and re-create the liberal international order in its own im...
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 18/08/2025
🚨 New: Open access for one week only: Social Cohesion and Community Displacement in Armed Conflict, an award-winning article published by the International Security Journal.
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Polar Observer @polarobs.bsky.social · 06/08/2025
Explainer: The Northwest Passage’s Shipping Potential, Legal Status, and What’s at Stake #Arctic via @belfercenter.bsky.social www.belfercenter.org/research-ana...
belfercenter.org
Explainer: The Northwest Passage’s Shipping Potential, Legal Status, and What’s at Stake
With climate change accelerating and global interest in transiting the Passage rising, the unresolved debate over the Northwest Passage's legal status could have geopolitical implications for North Am...
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Land and Climate Review @landclimate.bsky.social · 08/08/2025
As attacks on the National Climate Assessments continue, read analysis from Obama's former Science Advisor John Holdren @woodwellclimate.bsky.social @belfercenter.bsky.social : “Trump has no right to terminate NCAs without consulting Congress... This information is essential.." bit.ly/47rrUy6
bit.ly
Trump will leave climate science in smoking ruins – and the economy will suffer for it  - Land and Climate Review
Donald Trump is dismantling all sources of independent opinion in the United States to increase the power of the presidency, says John Holdren, former Presidential Science Advisor to Barack Obama.
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Rabia Akhtar @rabsaa.bsky.social · 21/07/2025
The world does not need more deterrence posturing. It needs strategic humility. In this piece for @belfercenter.bsky.social, I reflect on the Nobel Laureate Declaration and its urgent call to recalibrate how we think about nuclear risk. www.belfercenter.org/research-ana...
belfercenter.org
Remember Your Humanity: Why the Nobel Laureate Declaration Is a Call for Strategic Recalibration
Marking the 80th anniversary of the Trinity test, Nobel Peace Laureates and experts issued a powerful declaration urging urgent global action to reduce nuclear risks amid rising geopolitical instabili...
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The Debate - France 24 @f24debate.france24.com · 14/07/2025
🗨️"Pleasing #Trump isn’t #Putin's priority. Putin has no reason to stop." 👉 @belfercenter.bsky.social‘s @mbudjeryn.bsky.social ‬ ➡️Full show: f24.my/BJVm.x @en.france24.com #Trump #Ukraine
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Jacqueline L. Hazelton @drjlhazelton.bsky.social · 24/06/2025
Live now. The Realist Debate Over How to Respond to China. With @stephenwalt.bsky.social @belfercenter.bsky.social @mitpress.bsky.social @dartmouthdickey.bsky.social @dartmouthartsci.bsky.social international-security.simplecast.com/episodes/7-t...
international-security.simplecast.com
7 – The Realist Debate over How to Respond to China | The International Security Podcast
Will China make a bid for regional hegemony in East Asia, and can it succeed? In the modern era, only the United States has achieved regional hegemony—all other attempts have met catastrophic failure....
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 19/06/2025
Professor Matthew Bunn, Professor of the Practice of Energy, National Security, and Foreign Policy at the Harvard Kennedy School and Co-Principal Investigator of the Project on Managing the Atom, comments on the Israel-Iran conflict.
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Matthew Bunn @matthew-bunn.bsky.social · 12/06/2025
My colleague Assaf Zoran's assessment a year ago of the high risks and limited benefits of an Israeli strike on Iran's nuclear facilities remains valid. thebulletin.org/2024/04/the-...
thebulletin.org
The enormous risks and uncertain benefits of an Israeli strike against Iran’s nuclear facilities
As Israel weighs how to respond to Iran’s attack, targeting its nuclear facilities might be strategically disadvantageous.
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Jacqueline L. Hazelton @drjlhazelton.bsky.social · 17/05/2025
Read the piece here. Open access. It's worth your time. direct.mit.edu/isec/issue/4... @mitpress.bsky.social @belfercenter.bsky.social @intsecurity.bsky.social
watermark.silverchair.com
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Matthew Bunn @matthew-bunn.bsky.social · 14/05/2025
My op-ed on the India-Pakistan clash is out, calling for both sides (with nudging from the US and other world powers) to use this moment as an opportunity to move toward a more stable relationship. www.bostonglobe.com/2025/05/14/o...
bostonglobe.com
How India and Pakistan might move forward — and away from nuclear dangers - The Boston Globe
While the two countries have agreed to a ceasefire, the tensions that led to this latest danger of a nuclear conflict still exist.
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Rabia Akhtar @rabsaa.bsky.social · 14/05/2025
My article for @belfercenter.bsky.social "Escalation Gone Meta" unpacks the 2025 India-Pakistan crisis as not just another flare-up, but marking a dangerous turn in nuclear signaling, multidomain escalation, and crisis unpredictability. Here’s why it matters www.belfercenter.org/research-ana...
belfercenter.org
Escalation Gone Meta: Strategic Lessons from the 2025 India-Pakistan Crisis
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 07/05/2025
Erica Chenoweth, Frank Stanton Professor of the First Amendment, discusses Harvard today, historical and contemporary strategies for protesting, democratic backsliding, global comparisons and more in a new episode with @chrislhayes.bsky.social.
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Stephen Walt @stephenwalt.bsky.social · 07/05/2025
My advice to Europe on how to deal with Trump: “hope for the best, plan for the worst.” Latest FP column here: foreignpolicy.com/2025/05/07/h...
foreignpolicy.com
How Europe Should Deal With Trump
It’s time to take great-power politics seriously.
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M.E. Sarotte @sarotte.bsky.social · 04/05/2025
Thanks @fbigge.bsky.social for this—and for the work you do @koerberhistory.bsky.social to promote dialogue across borders in these difficult times @europeatharvard.bsky.social @financialtimes.com @belfercenter.bsky.social @johnshopkinssais.bsky.social
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Jacqueline L. Hazelton @drjlhazelton.bsky.social · 05/05/2025
Great piece. @intsecurity.bsky.social @belfercenter.bsky.social @mitpress.bsky.social
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Belfer Center for Science and International Affairs @belfercenter.bsky.social · 01/05/2025
📺 Watch: What are the new geopolitical realities America is facing as its power in the world fluctuates? Ambassador Wendy R. Sherman, former Deputy Secretary of State and Joint Fellow with Belfer and the Center for Public Leadership, spoke at the Institute of Politics' Forum on Tuesday.
youtube.com
New Geopolitical Realities: American Power in the World
YouTube video by Institute of Politics Harvard Kennedy School
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Alexandra Phelan 余雪莲 @alexandraphelan.bsky.social · 25/04/2025
With the brilliant @syramadad.bsky.social we discuss why the draft Pandemic Agreement is a leap forward for global health equity and security. WHO Member States should adopt the text at May's World Health Assembly. With thanks to @belfercenter.bsky.social www.belfercenter.org/research-ana...
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