A global ban on genetically modified (GM) crops would raise food prices and add the equivalent of nearly a billion tons of carbon dioxide to the atmosphere, a study by researchers from Purdue University found.
Using a model to assess the economic and environmental value of GM crops, agricultural economists found that replacing GM corn, soybeans and cotton with conventionally bred varieties worldwide would cause a 0.27-2.20% increase in food costs, depending on the region, with poor
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