TO GO WITH AFP STORY "Climate-warming-ag

TO GO WITH AFP STORY "Climate-warming-agriculture-rice,FEATURE" BY Cecil Morella This picture taken 17 July 2007 shows Chinese scientist and crop physiologist Peng Shaobingin inspecting rice samples at the International Rice Research institute (IRRI) in Los Banos Laguna. On an agricultural research station south of Manila, 17 August 2007, a group of scientists are battling against time to breed new varieties of rice as global warming threatens one of the world's major sources of food. According to the International Rice Research Institute (IRRI) more than half the world's 6.6 billion people depend on rice for nourishment. AFP PHOTO / LUIS LIWANAG (Photo credit should read LUIS LIWANAG/AFP via Getty Images)