美国正式退出巴黎协定

US leaves Paris Agreement

美国正式退出巴黎协定

The US formally left the Paris Agreement on Wednesday. Of the nearly 200 signatories that signed the agreement, the US is the only one to walk away from its promises to reduce greenhouse gas emissions.

美国于11月4日正式退出《巴黎协定》，成为近200个缔约方中，唯一一个放弃履行减少温室气体排放承诺的国家。

President Trump originally announced his intention to withdraw from the landmark agreement in 2017 and formally notified the United Nations last year.

美国总统特朗普最初在2017年宣布将退出这一具有里程碑意义的协定，并于去年正式通知联合国启动退出程序。

A mandatory year-long waiting period ends on Wednesday.

为期一年的退出过程在11月4日结束。

The US has emitted more cumulative carbon dioxide into the atmosphere than any other country since the industrial era began in the mid-1800s.

自19世纪中期工业时代开始以来，美国累计向大气中排放的二氧化碳比任何其他国家都多。

The Paris accord, which was signed in 2015, is a collective agreement among nearly 200 countries that aims to prevent the earth's temperatures from rising 2 C above pre-industrial revolution temperatures, the value that climate scientists have determined will have disastrous consequences if exceeded.

《巴黎协定》是近200个缔约方在2015年共同签署的一项协议，旨在将全球平均气温较前工业化时期上升幅度控制在2摄氏度以内。气候科学家已经确定，升温若超过2摄氏度将会带来灾难性后果。