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Rice vault offers food security hope as world keeps warming

Philippines 'library' of seed varieties can cushion the impact of climate change

Rice samples wait to be filed in the long-term storage vault at the International Rice Research Institute in Los Baños, Philippines. (Photo by Peter Guest)

LOS BANOS, Philippines -- Flora De Guzman pops the seal on a vault door, and a blast of dry, frigid air hisses through the gap. Behind the airlock is a room kept at minus 20C, packed with shelf upon shelf of sealed aluminum cans holding one of the world's most undervalued resources -- preserved samples of more than 130,000 varieties of rice.

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