Nuclear disarmament

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The UN Security Council has unanimously adopted a resolution calling for nuclear disarmament, in a session chaired by President Barack Obama. Many organizations and networks have been campaigning for complete nuclear disarmament for decades. The World’s Jeb Sharp takes a look at these movements and where they are now. Download MP3 (Photo by Keystone/Hulton Archive/Getty Images)

• BBC coverage of today’s UN resolution
• FAQ: Nuclear disarmament