PBS NewsHour - The Latest | How climate change has powered the heat wave blanketing much of the U.S. by Ali Rogin, Karina Cuevas A massive heat dome has been spreading across much of the United States this month, with temperatures reaching historic highs. But it's not an isolated spike. In recent weeks, the country has grappled with a series of extreme weather events. Ali Rogin spoke with Bernadette Woods Placky of Climate Central for our series, Tipping Point. Read more: https://www.pbs.org/newshour/show/how-climate-change-has-powered-the-heat-wave-blanketing-much-of-the-u-s #climatechange #unitedstates #heatdome #tippingpoint