Lisbeth Gronlund

Physicist & co-director, Global Security

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Lisbeth Gronlund is a physicist and co-director of the Global Security Program. She is an expert on technical issues related to U.S. nuclear weapons policy, and new nuclear weapons, space weapons, and ballistic missile defenses. See Lisbeth's full bio. Lisbeth also blogs on All Things Nuclear.

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Lisbeth's Latest Posts

Last Call! Obama’s Final Actions on Nuclear Weapons

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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Trimming the Fat: Obama and Nuclear Weapons Cuts

His advisors have apparently abandoned the idea of removing US land-based missiles from hair-trigger alert. Still on the table: cutting the US arsenal and stockpiles of weapon-usable materials. Read more >

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Top Scientists Call for Obama to Take Nuclear Missiles off Hair-Trigger Alert

More than 90 prominent US scientists, including 20 Nobel laureates and 90 National Academy of Sciences members, sent a letter to President Obama yesterday urging him to take US land-based nuclear missiles off hair-trigger alert and remove launch-on-warning options from US warplans. Read more >

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Obama to Hiroshima: Actions, Not Words

In Prague in 2009, President Obama committed the United States to reducing the role of nuclear weapons and putting an end to Cold War thinking. It’s time to walk the talk, Mr. President. Read more >

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Five Years After Fukushima, U.S. Reactors Still Vulnerable

The more than 100 million people living within 50 miles of a U.S. reactor may—or may not—be safer than they were five years ago. They certainly aren’t as safe as they would be had the Nuclear Regulatory Commission followed more closely the recommendations of its own task force. Read more >

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