A leaked draft report from the United Nations’ Intergovernmental Panel on Climate Change paints the starkest picture yet of the accelerating danger caused by human use of coal, oil, and gas. It warns of coming unlivable heat waves, widespread hunger and drought, rising sea levels and extinction. To understand the report’s warnings, William Brangham turns to atmospheric scientist Katharine Hayoe.
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