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Portable Network Graphic  |  1990-04-04  |  5KB  |  512x342  |  4-bit (4 colors)

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OCR: Functions Word Index Maps Date Mark September 18, 1987 Copyright 1987 Facts On File Inc; See Also Facts On File World News Digest Environment Main Menu International Ozone Pact Signed. Representatives of 24 countries Sept. 16 signed *Print Article a treaty designed to preserve the protective ozone layer in the Earth's atmosphere by reducing the production of ozone-destroying chemicals. The chemicals, called chlorofluorocarbons (CFCs), had a variety of industrial uses as refrigerants, aerosol propellants and solvents. [Spe p. 45903] The agreement jemerged from a 40-nation meeting in Montreal sponsored by the United Nations Environment Program. If implemented, it would be the first multinational treaty to curb a global air pollutant. The agreement would freeze world production of the most co ...

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