Reducing the threat of nuclear terrorism

President Obama spearheaded a Nuclear Security Summit and gained pledges from 46 nations to work toward locking down all nuclear material worldwide within four years.

What happened

Seeking to reduce the risk of nuclear terrorism, President Obama this week gained pledges from 46 nations to work toward locking down all nuclear material worldwide within four years. Obama said there had been “unprecedented progress” in tightening lax security standards at nuclear facilities during a two-day Nuclear Security Summit in Washington, D.C., the world’s first. Obama said even an apple-size quantity of plutonium could cause mass casualties. “Terrorist networks such as al Qaida have tried to acquire the material for a nuclear weapon,” he said. “Were they to do so, it would be a catastrophe for the world, causing extraordinary loss of life and striking a major blow at global peace and stability.” Another security summit was scheduled for 2012 in South Korea.

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