July 21 was the hottest day ever recorded globally

July 21 was the hottest day ever registered globally, according to preliminary data published on Tuesday by the EU's climate monitor.The Copernicus Climate Change Service (C3S) said the global average surface air temperature of 17.09 degrees Celsius (62.7 degrees Fahrenheit) on Sunday was the warmest in their record books, which go back to 1940."The Earth...