epa10849656 People walk through sprinklers on the National Mall with the Washington Monument seen behind during a heat wave in Washington, DC, USA, 08 September 2023. Washington DC experienced a record-setting heat wave this week, with temperatures reaching 99 degrees (37.22 Celsius) 05 September. The United Nations World Meteorological Organization and the Copernicus climate change service issued a report stating that the three months between June and August 2023 have been the hottest ever recorded. EPA/MICHAEL REYNOLDS
