This Year’s Hole in the Ozone Is Twice the Size of the U.S. Share October 6, 2020 Dm4r Technology If you’ve been looking to cast yourself into a deep hole from which you can never return (I have!), the one in the ozone layeris a prime choice right now. Read more… Source : This Year’s Hole in the Ozone Is Twice the Size of the U.S.