During 2010 , the initiative has continued with the Global Zero Summit ( February 2 – 4 , 2010 ) , signing of the New START treaty ( April 8 , 2010 ) , the Nuclear Security Summit ( April 12 – 13 , 2010 ) and the Non Proliferation Treaty Review Conference ( May 3 – 28 , 2010 )
Nuclear Security Summit
2010 Nuclear Security Summit
Global Zero (campaign)