The impact of climate change on the world's poor
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Villagers in Zimbabwe head home after receiving food rations from the non-governmental organization Oxfam.
DESMOND KWANDE/AFP/Getty Images
Jim Lyons, of Oxfam America, discusses how climate change could affect the world's most vulnerable populations.
During the Clinton administration, he served as under secretary for Natural Resources and Environment in the Department of Agriculture. He currently teaches at Yale's School of Forestry and Environmental Studies.
Oxfam America is a leading international relief and development organization that fights poverty and hunger throughout the world.
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