The midwestern Corn Belt — which roughly covers parts of Indiana, Illinois, Iowa, Missouri, Nebraska, and Kansas — will be “unsuitable” for cultivating corn by 2100 if climate change continues on its current trajectory, a new study finds.
, have been helpful to combating rising temperatures. For example, because plants have a cooling effect on their local environment, planting crops closer together has reduced the effects of global warming on corn crops. Farmers also have adjusted to higher temperatures by planting crops earlier in the season and cross-bred more with more heat-tolerant Mexican varieties of corn.
“The weather patterns do tend to change,” Morehead said. “If you track back before I was doing this, we had droughts, we had wet years, we had hot years. I remember my grandpa talking about this, how there were a couple years in a row where they’d have crops burn up and the family would be broke.” While the current Corn Belt could lose its titular crop, places like northern Minnesota and parts of Canada could become well-suited to growing corn for the first time.has found that droughts, temperature extremes and more prevalent pests will decrease agricultural yields. The IPCC calls for swift, massive reductions in greenhouse gas emissions to avert catastrophic climate change and the widespread famine that could result.
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