New simulation shows consequences of a world without Earth's natural sunscreen
Saturday, March 21, 2009 - 09:24
in Earth & Climate
The year is 2065. Nearly two-thirds of Earth's ozone is gone - not just over the poles, but everywhere. The infamous ozone hole over Antarctica, first discovered in the 1980s, is a year-round fixture, with a twin over the North Pole. The ultraviolet (UV) radiation falling on mid-latitude cities like Washington, D.C., is strong enough to cause sunburn in just five minutes. DNA-mutating UV radiation is up 650 percent, with likely harmful effects on plants, animals and human skin cancer rates...