translation.en: If you look at carbon dioxide from burning tropical rainforest, or methane coming from cows and rice, or nitrous oxide from too many fertilizers, it turns out agriculture is 30 percent of the greenhouse gases going into the atmosphere from human activity.
translation.zh: 如果考虑焚烧热带雨林 所产生的二氧化碳 或牛群和稻米所产生的甲烷 或大量肥料所产生的一氧化二氮 事实上，排放至大气层的温室气体 30% 来自农业，以人类活动来说