1·Livestock farming is one of the biggest causes of nitrogen pollution, it adds.
该研究还补充道，畜牧业是导致氮污染的最大元凶之一。
2·Improving livestock farming is important because of meat's growing share in the world's diet.
提高畜牧业很重要，是因为肉类在世界饮食份额上的增加。
3·In a 2006 report, the UN Food and Agriculture Organization (FAO) concluded that worldwide livestock farming generates 18% of the planet's greenhouse gas emissions.
2006年，联合国粮农组织的报告断言，全球畜牧业产生的温室气体占全球总排放量的18%。
4·The high emissions come from livestock farming and from the heavy use of fertilisers, some of which break down into nitrous oxide, a global warming gas hundreds of times more powerful than CO2.
食物生产的高碳排放来自于畜牧业以及大量使用的化肥，其中有些分解成一氧化二氮，而一氧化二氮对全球变暖的危害性比二氧化碳的要高出数百倍。
5·A meat-free world would have to replace the 11 million tonnes of leather and 2 million tonnes of wool that come from livestock farming every year.
一个完全素食的世界必须想法替代每年来自畜牧业的1100万吨的皮革200万吨的羊毛。