100 Degrees Fahrenheit Is Just a Number

It’s hot outside. It’s been hot outside pretty much this summer. On . In China, which is less than halfway through a predicted of extreme heat. In the , which recently all-time heat record. In Seville, which for the . (Hi, Zoe.) And in the United States—very recently in Northern California, where a and the heat have conspired to create ideal conditions for , and in , where authorities have preliminarily blamed heat for ; now in Kentucky, where it will deadly flash flooding that has left whole communities without electricity to power air-conditioning or refrigerators, or other relief