How Climate Change Affects These 13 Foods

Recent research published by Verisk, a data analytics company, indicates that corn grain yield will decline 20-40% in the US Corn Belt from 1991-2000 levels by 2046-2055. (In case you’re unfamiliar, 1991 is a benchmark year because it marks what’s considered US normals, a 30-year average of climate data points received from weather stations across the country.) , when it comes to corn, research from Emory University indicates that corn production in the U.S. Corn Belt, including states like Illinois and Iowa, will no longer be practical by 2100. Considering that corn is one of the crops with the largest acreage in the United States (estimated at around 92 million acres by researchers at Penn State University), changing corn growing conditions will undoubtedly drastically alter the agricultural landscape of the American Midwest.

Unlike many other crops, corn has important ties to animal agriculture, where it is a food source for species like cattle, pigs and chickens and a biofuel for ethanol production. According to Verisk, the U.S. Corn Belt produces 90% of the nation’s corn grain and nearly 30% of the world’s corn crop. Reduced corn supply, due to climate change, will affect wholesale corn prices as well as products that depend on a steady supply of corn, such as high fructose corn syrup, dextrose and other food additives.

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