Major food source threatened by climate change
Posted by keelynet on March 27, 2008
A food staple at risk for so many billions.
“Rice is arguably the world’s most important food source and helps feed about half the globe’s people. But yields in many areas will drop as the globe warms in future years, a review of studies on rice and climate change suggests. The poorest parts of the world, including Africa, will probably be hardest hit, the study says. Rice harvests already need to increase by about a third just to keep up with global population growth. In regions where the average daily temperatures are expected to rise above 30ºC, rice yields will start to fall off, and the impact will get worse as the temperature increases. Harvests will also be reduced by rising ground-level ozone concentrations. They are caused by nitrogen oxides (NOX) from power stations that catalyse the formation of ozone in warm and sunny conditions.” - Source
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