A heat wave that's been searing southern Europe moved north into Britain this week, with temperatures topping 100 degrees Fahrenheit. The heat also fueled wildfires in France and Spain, displacing thousands of people with hundreds of heat-related deaths. Emily Shuckburgh, director of Cambridge Zero, the University of Cambridge's climate change initiative, joins Stephanie Sy to discuss. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders