U.S. faces huge crop losses if temperatures keep rising, says report

Alex Kirby reports: Harvests in the United States are liable to shrink by between a fifth and a half of their present size because of rising temperatures, an international scientific team has found.

They say wheat, maize (known also as corn) and soya are all likely to suffer substantial damage by the end of the century. And while increased irrigation could help to protect them against the growing heat, that will be an option only in regions with enough water.

Their report, published in the journal Nature Communications, says the effects of a warming atmosphere will extend far beyond the US. But as it is one of the largest crop exporters, world market crop prices may increase, causing problems for poor countries. [Continue reading…]

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