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G-20 summit will focus on climate change and global health issues, says Chatham House

The G-20 leaders' summit could discuss the pace at which countries want to move toward net-zero carbon emissions by 2050, or the goal of keeping global temperatures from rising more than 1.5 degrees Celsius, says Creon Butler of Chatham House.
02:09
Fri, Oct 29 20216:00 AM EDT