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Spreading deserts threaten world food supply
By Robert Evans
Fri Aug 31, 11:04 AM ET
GENEVA (Reuters) - Spreading deserts and degradation of farm land due to climate change will pose a serious threat to food supplies for the world's surging population in coming years, a senior United Nations scientist warned on Friday.
M.V.K. Sivakumar of the U.N.'s World Meteorological Organisation (WMO) said the crunch could come in just over a decade as all continents see more weather-related disasters like heat waves, floods, landslides and wildfires.