To address climate change, major countries around the world have successively announced their own "carbon reduction" commitments and action plans. The specific division of responsibility for carbon reduction has always been a focus of attention for the international community. At present, the annual greenhouse gas emissions from global food production are approximately 17.3 billion tons of carbon dioxide equivalent, of which 57% come from animal derived food. Animals emit large amounts of methane through belching and farting, with carbon emission intensities ranging from 39.7 kilograms to 44.3 kilograms of carbon dioxide equivalent per kilogram of beef and mutton, 5.8 kilograms of carbon dioxide equivalent per kilogram of pork, and less than 1/8 of the carbon emissions from pork. The carbon emissions from fish farming are only 1/12 of beef, and the carbon emissions from wild fish are only 1/20 of beef.
In the field of animal derived food, due to China's large population and high greenhouse gas emissions from animal derived food, it should bear more international "carbon reduction" responsibilities.
With the development of the economy and the improvement of living standards, the meat intake of Chinese people is increasing day by day. As fish meat production has the lowest carbon emissions from animal protein production, choosing aquaculture as the future development strategy is very meaningful and responsible.
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