In 1985, a British scientist working in Antarctica discovered a 40 percent loss in the ozone layer over the continent. When Goddard Space Flight Center researchers reviewed their data, they confirmed the ozone More
This image from the Microwave Limb Sounder instrument on NASA Aura spacecraft depicts the relationship between nitrous oxide levels and ozone loss, 2004-2005 Arctic winter. NASA/JPL
These data maps from the Microwave Limb Sounder on NASA Aura spacecraft depict levels of hydrogen chloride, chlorine monoxide, and ozone at an altitude of approximately 19 km 490,000 ft on selected days during More