1月7日，特朗普政府宣布美国将退出政府间气候变化专门委员会（IPCC）及联合国气候变化框架公约（UNFCCC）在内的60多个国际组织及条约。对此，IPCC、美国地球物理学会（AGU）均发表声明提出应对举措。

Withdrawing from the world’s premier climate science organization supports the president’s views about global warming.

Carbon Brief speaks to experts about the contested legality of leaving the UNFCCC and what practical changes will result from US departure.