砍伐森林每年导致约五分之一温室气体排放，高于所有形式的航空和水陆运输排放量的总和。
Deforestation causes around fifth of greenhouse gas emissions every year, more than all the forms of air and surface transport combined.
所有的农业都损害环境，包括你所能想到的一切——砍伐森林，垦荒草原，灌溉的水源，粪肥，拖拉机消耗的燃料，杀虫剂还有化肥等。
All agriculture damages the environment - think of all those felled forests and ploughed-up prairies, all the irrigation water, manure, tractor fuel, pesticides and fertiliser.
他说，森林砍伐通常由富有的农场主和人工林所有者进行，而贫困农户只能在林区中开辟肥沃的农田。
He says deforestation is often undertaken by wealthy ranchers and plantation owners and poor households can carve productive farmlands out of the forest.
砍伐森林造成的温室气体大约占全球所有温室气体的25%，是交通和工业领域各自14%的近1倍。
Deforestation contributes approximately 25% of all global greenhouse gasses, nearly double the 14% that transportation and industry sectors each contribute.
砍伐森林造成的温室气体大约占全球所有温室气体的25%，是交通和工业领域各自14%的近1倍。
Deforestation contributes approximately 25% of all global greenhouse gasses, nearly double the 14% that transportation and industry sectors each contribute.
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