The cost of reducing China's total greenhouse gas emissions is likely to reach $438bn a year within 20 years, and developed economies will have to bear much of that cost, according to a group of Beijing's leading climate economists.
北京多名主要的氣候經濟學家表示，減少中國溫室氣體排放總量所需的成本，很可能將在20年內升至每年4380億美元，而且大部分將由發達經濟體承擔。
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