From coal-fired cities to industrial river valleys, a smokey fog crept in quietly and left behind chaos: schools shut down, people collapsed in the streets, and entire towns were brought to a ...
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How California’s war on smog and its ambitious car pollution rules made everyone’s air cleaner
Cars on the road today are 99% cleaner than they were in 1970. Air quality in the United States is much, much better as a result. In Los Angeles, where I live, lead levels in the air were 50 times ...
This is read by an automated voice. Please report any issues or inconsistencies here. It’s late July in 1943. Over the radio, Bing Crosby is crooning, Bob Hope is joking, and news of the war — against ...
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Ann E. Carlson, University of California, Los Angeles (THE CONVERSATION) Cars on the ...
Before catalytic converters, starting a gas-powered vehicle could choke the surrounding area with smog. Bettmann via Getty Images Cars on the road today are 99% cleaner than they were in 1970. Air ...
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