这是因为，动物农业产生了整整三分之一的人造甲烷和三分之二的一氧化二氮排放 — — 这两种气体都是固热能力比二氧化碳还要强的强力温室气体。
This is because the animal sector is responsible for a third of all anthropogenic methane and two-thirds of nitrous oxide emissions – both potent greenhouse gases that trap more heat than carbon dioxide.