高碳排放是指是一种粗放型的经济发展模式,导致碳排放量的快速上升。
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。
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.
但如果中国继续过去那种高碳经济增长模式,排放量增长速度就可能会增加一倍。
But emissions would rise twice as fast if China pursued the high-carbon economic growth of the past.
高铁是减少航空旅行和碳排放的好途径,尤其在象中国这样的地方,它们连接了人口密集但偏远的地区。
They are a good way to cut air travel and carbon emissions, particularly where, as in China, they connect dense but distant population clusters.
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