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Letters to the Editor: How L.A. cleaned up its smoggy air, n
Letters to the Editor: How L.A. cleaned up its smoggy air, n
Letters to the Editor: How L.A. cleaned up its smoggy air, no thanks to polluters like the oil industry
In the 1950s, regulators knew every source of air pollution, from the incinerator to the automobile, had to be controlled. Polluting industries weren't happy.
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