Beef is widely recognized as the most climate-damaging of all foods. A new study by the Natural Resources Defense Council on food consumption in the US calculates that each kilogram of beef produces 26.5 kilograms of CO2 emissions -- the highest among all the foods observed in the study, and five times more than chicken or turkey meat.
Animal agriculture is responsible for 14.5 percent of the world's greenhouse emissions, according to the UN's Food and Agriculture Organization, making it a significant contributor to climate change. Of those emissions, 65 percent come from beef and dairy cattle.
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