English Ozone layer Cited by user 96.94.225.165 on 24 Jan 2017 The Ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation.
English Susan Solomon Cited by user Mary Mark Ockerbloom on 29 Nov 2016 Susan Solomon (born January 19, 1956 in Chicago) is an atmospheric chemist, working for most of her career at the National Oceanic and Atmospheric Administration.