Big companies, from banks to airlines, are contributing as well. The US retailer Wal-Mart, for example, plans to cut emissions equivalent to 3.8 million cars, in part by implementing energy-efficiency measures at its Chinese stores.
从银行到航空公司的大型企业也都各尽所能。 比如美国零售企业沃尔玛就计划部分通过其中国门店落实能效措施，减少相当于380万量汽车的碳排放。