Advertisement2020 May Be The Hottest Year On Record. Here's The Damage It DidDecember 18, 2020Rebecca HersherLauren SommerfacebookEmailA pedestrian uses an umbrella to get some relief from the sun as they walk past a sign displaying the temperature on June 20, 2017 in Phoenix, Arizona. As 2020 comes to a close so does the hottest recorded decade. (Getty Images)