National Oceanic and Atmospheric Administration

Polar snow reveals secrets of ozone-depleting gases

Researchers analyzed polar snowpack and found major ozone-depleting gases were not present in the atmosphere in the late 19th and early 20th centuries. Human emissions can account entirely for their presence in the atmosphere.

SourceNational Oceanic and Atmospheric Administration·JournalNature·DateJun 23, 1999

New Study Looks At Movement of Ozone-Depleting Chemicals in Stratosphere

Researchers investigate air exchange between tropical and mid-latitude stratosphere regions, shedding light on ozone layer thinning. The study's findings improve computer model representation of ozone depletion, predicting potential losses due to supersonic aircraft emissions.

SourceNational Oceanic and Atmospheric Administration·DateJun 20, 1996