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This newspaper page contains 4 articles. Subscribers can read the full text of each article.
Newspaper
Cedar Rapids Gazette
Location
Cedar Rapids, Iowa, United States of America
Date
Nov 07, 1994
Page
9
A Mini Page feature explains how scientists study the ozone problem in polar regions. It notes researchers travel to Antarctica to observe airborne chemicals and pollution, and mentions the Arctic area around the North Pole.
A Mini Page overview describes bad ozone as urban smog formed by pollutants and sunshine, and good ozone as the Antarctic shield seven miles up. It cites Dr. Susan Solomon, her Antarctic study starting 1986, and warns depletion by human activity may persist to 2050. The feature credits NOAA and Smithsonian support.
The article notes that chlorofluorocarbons or CFCs were long used in spray paints hairsprays air conditioners and refrigerators to keep things cool and preserve food. It then explains scientists warned of hazards from releasing large amounts of CFCs into the atmosphere.
After scientists warned of ozone loss, the United States and 70 other nations agreed to limit chlorofluorocarbons. The deal marks one of the first major global collaborations to tackle an environmental threat.
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