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Australian Broadcasting Corporation: ELEANOR HALL: Scientists say a four to six degree rise in average temperatures would require a complete change in the world's farming practices.
A warming climate could be beneficial for some countries, especially those in the northern hemisphere, like Russia and Canada. But Australia may have to import more food than it produces.
CSIRO research scientist Dr Mark Howden, is writing the food security chapter for the next Intergovernmental Panel on Climate Change report.
He spoke to Will Ockenden.......
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Big changes to agriculture in warming climate
Posted by Australian Broadcasting Corporation: Will Ockenden on December 3rd, 2012
Posted in Water Conservation