PARIS: The risks of harvest failures in multiple global breadbaskets have been underestimated, according to a study on Tuesday (Jul 4) that researchers said should be a 'wake up call' about the threat climate change poses to our food systems. Food production is both a key source of planet-warming emissions
PARIS: The risks of harvest failures in multiple global breadbaskets have been underestimated, according to a study on Tuesday that researchers said should be a"wake up call" about the threat climate change poses to our food systems.
These events can lead to price spikes, food insecurity and even civil unrest, said lead author Kai Kornhuber, a researcher at Columbia University and the German Council on Foreign Relations. They found that a"strong meandering" of the jet stream, flowing in big wave shapes, has particularly significant impacts on key agricultural regions in North America, Eastern Europe and East Asia, with a reduction in harvests of up to seven percent.One example was in 2010, when the fluctuations of the jet stream were linked to both extreme heat in parts of Russia and devastating floods in Pakistan, which both hurt crops, Kornhuber said.
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