Climate Change and Food Security
US State Department Food Security
UN Special Rapporteur on the Right to Food
ClimateChange - FoodSecurity.org
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FAO food prices to 2011
A project of the
Global warming causes global drought
IPCC 2007
Food crops
• Modelling studies suggest crop yield losses with minimal warming in the tropics.
• Mid- to high-latitude crops benefit from a small amount of warming (about +2°C) but plant health declines with additional warming.
Global food production potential, is threatened at 1.0C temperature change and can accommodate no more than 3C before beginning to decline. p. 285
Unless the emissions of greenhouse gases are curbed significantly, their concentrations will continue to rise, leading to changes in temperature, precipitation, and other climate variables that will undoubtedly affect agriculture around the world.
American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America May 2011
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