Down to Earth
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“. . . An Atmosphere that Could Support Life . . .”

“. . . An Atmosphere that Could Support Life . . .” (023.00.00)

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To convey the hazards of air pollution, Herblock contrasted the hard-to-breathe air on Earth with the atmosphere of Mars, which, based on data from the Viking spacecraft, scientists posited could have once supported life. The Senate opened debate to revise the 1970 Clean Air Act during the summer of 1976 when Washington and other American cities repeatedly had air quality alerts. Cities looked to state and federal government agencies for funding and legislation to help them curb polluting smog.
To convey the hazards of air pollution, Herblock contrasted the hard-to-breathe air on Earth with the atmosphere of Mars, which, based on data from the Viking spacecraft, scientists posited could have once supported life. The Senate opened debate to revise the 1970 Clean Air Act during the summer of 1976 when Washington and other American cities repeatedly had air quality alerts. Cities looked to state and federal government agencies for funding and legislation to help them curb polluting smog.