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联合国粮农组织的报告

联合国粮农组织的报告指出:畜牧业是气候变化的最大元凶之一。 减少畜牧业对环境的威胁是环境政策重要的焦点之一。 20%的全球温室气体排放来自于畜牧业,比全世界所有车辆、船只 、飞机和火车的总排放量还要多。 畜牧业排放的甲烷比汽车等交通工具的排放还多23倍。 畜牧业排放的氧化亚氮比汽车等交通工具的排放还多296倍。 氨会造成酸雨,使生态环境酸化,几乎2/3的氨排放来自于牲畜。  
 
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