The reasons that the United States refused to sign the Kyoto Protocol are _____.
A、it will cause losses to the US economy
B、it will reduce job positions
C、the United States thinks that the Protocol is unfair
D、it will affect the United States to develop low-carbon technologies
The reasons that the United States refused to sign the Kyoto - 5. Low-Carbon Economy - 绿色经济与中国实践 - U校园 | 大学网课搜题引擎