Nuclear Weapons

What’s the role of nuclear weapons in today’s changing security landscape—and how can we reduce their risks?


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Latest Nuclear Weapons Posts

Last Call! Obama’s Final Actions on Nuclear Weapons

, physicist & co-director, Global Security

At the beginning of his presidency, President Obama gave a soaring speech in Prague, promising that the US will “put an end to Cold War thinking” and “reduce the role of nuclear weapons in our national security strategy.”

His record so far has been somewhat mediocre—but it’s not too late to make a little more progress. Obama could reduce the hedge stockpile of weapons the US keeps in storage, and the amount of highly-enriched uranium and plutonium that the US keeps in case it wants to build even more weapons. It’s surprising that he hasn’t already taken these incremental steps. But their incremental nature also means that the Trump administration is unlikely to object. Read more >

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Photo: Wikimedia

Trump’s Picks for Defense: What We Know About Mattis and Flynn

, physicist & co-director, Global Security

Donald Trump has picked James Mattis as his secretary of defense and Michael Flynn as his national security advisor. While they are both retired generals with experience in the Middle East and Afghanistan, they are otherwise very different. Read more >

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UCS Board Member Dick Garwin Wins Presidential Medal of Freedom

, physicist & co-director, Global Security

The White House announced this week that UCS Board member Dick Garwin will receive the Medal of Freedom from President Obama on November 22—where he’ll be joined by Michael Jordan, Diana Ross, Bruce Springsteen, Bill and Melinda Gates, Tom Hanks, and others. Read more >

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Photo: Matthew Platt/CC BY-SA (Flickr)

Standing Strong for Science and Democracy

, president

This election raised the specter of backsliding on the critical progress we’ve made on climate change and other vital issues—but in no sense did the voters grant the new president a mandate to turn back the clock. Read more >

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Coming Soon? An International Ban on Nuclear Weapons

, physicist & co-director, Global Security

In a faceoff at the United Nations yesterday, a large majority of the world’s countries voted to begin negotiations of a legal ban on the possession of nuclear weapons. The United States and the other states with nuclear weapons opposed this effort, but did not have the votes to stop it.

We applaud this vote, and the efforts that led to it. Read more >

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