For 27 years, the United Nations has held annual gatherings of world leaders to discuss how to combat climate change. Yet progress towards the goal of stopping global warming has been elusive, and this year’s summit is happening against the backdrop of host country Egypt’s record of human rights abuses. Sarah Kaplan, climate reporter for the Washington Post, joins Ali Rogin to discuss.
Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG
Find more from PBS NewsHour at https://www.pbs.org/newshour
Subscribe to our YouTube channel: https://bit.ly/2HfsCD6
PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts