一名乘客在一次飞行中产生的碳足迹取决于许多因素,包括他们的飞行距离、飞机上座率,但也取决于他们的舱位等级:头等舱的乘客得到的空间比经济舱的乘客大,这意味着他们出行产生的排放更多。
Emissions from train travel also depend on many factors, including how the train is powered. An electric train powered by clean energy will have much lower emissions than a diesel-powered train, for example.
乘坐火车旅行所产生的排放量也取决于许多因素,包括火车的动力来源。举例来说,以清洁能源为动力的电力火车排放量比柴油驱动的火车低得多。
Tyers calculated that his train journey to China produced almost 90% less emissions than a return flight.
据泰尔斯估算,他到中国的火车之旅所产生的排放物比乘飞机往返要少近90%。
The aviation industry accounts for 2% of man-made carbon dioxide emissions (CO2). By 2050, this is expected to increase to 22% if nothing changes.
人类活动造成的二氧化碳排放物中,航空业占了2%。如果保持现状,到2050年这一数字将增长到22%。
A passenger on a return flight from London to New York generates as much CO2 as the average person in the European Union does by heating their home each year, according to the European Commission.
根据欧盟委员会的数据,一名旅客乘坐飞机从伦敦到纽约往返所产生的二氧化碳相当于欧盟每人每年取暖所产生的二氧化碳平均水平。
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2020-09-15
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