How Los Angeles Cleaned Up the World’s Air Pollution episode artwork

EPISODE · May 22, 2026 · 49 MIN

How Los Angeles Cleaned Up the World’s Air Pollution

from Shift Key with Robinson Meyer

We live in a time of unheralded environmental victories. Dolphins and whales swim in New York and San Francisco harbors. Lead has been eliminated globally in gasoline for cars and trucks. And Southern California has cleaned up its air.That last one is more important than you might think. On today’s episode of Shift Key, Rob is joined by Ann Carlson, a professor of environmental law at UCLA and the former acting head of the National Highway Traffic Safety Administration. She's also the author of a new book, Smog and Sunshine: The Surprising Story of How Los Angeles Cleaned Up Its Air, which was released last month by the University of California Press.Ann and Rob discuss why cleaning up LA’s air was so important to cleaning up the world’s air. They chat about why LA initially misdiagnosed the causes of its terrible air pollution, how it got them right, and what we can learn from the city’s eventual inspiring success. Shift Key is hosted by Robinson Meyer, the founding executive editor of Heatmap News.You can find a full transcript of the episode here.Mentioned:Ann Carlson’s new book: Smog and Sunshine: The Surprising Story of How Los Angeles Cleaned Up Its Air--This episode of Shift Key is sponsored by ...Heatmap Pro brings all of our research, reporting, and insights down to the local level. The software platform tracks all local opposition to clean energy and data centers, forecasts community sentiment, and guides data-driven engagement campaigns. Book a demo today to see the premier intelligence platform for project permitting and community engagement.Music for Shift Key is by Adam Kromelow. Hosted on Acast. See acast.com/privacy for more information.

We live in a time of unheralded environmental victories. Dolphins and whales swim in New York and San Francisco harbors. Lead has been eliminated globally in gasoline for cars and trucks. And Southern California has cleaned up its air.That last one is more important than you might think. On today’s episode of Shift Key, Rob is joined by Ann Carlson, a professor of environmental law at UCLA and the former acting head of the National Highway Traffic Safety Administration. She's also the author of a new book, Smog and Sunshine: The Surprising Story of How Los Angeles Cleaned Up Its Air, which was released last month by the University of California Press.Ann and Rob discuss why cleaning up LA’s air was so important to cleaning up the world’s air. They chat about why LA initially misdiagnosed the causes of its terrible air pollution, how it got them right, and what we can learn from the city’s eventual inspiring success. Shift Key is hosted by Robinson Meyer, the founding executive editor of Heatmap News.You can find a full transcript of the episode here.Mentioned:Ann Carlson’s new book: Smog and Sunshine: The Surprising Story of How Los Angeles Cleaned Up Its Air--This episode of Shift Key is sponsored by ...Heatmap Pro brings all of our research, reporting, and insights down to the local level. The software platform tracks all local opposition to clean energy and data centers, forecasts community sentiment, and guides data-driven engagement campaigns. Book a demo today to see the premier intelligence platform for project permitting and community engagement.Music for Shift Key is by Adam Kromelow. Hosted on Acast. See acast.com/privacy for more information.

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How Los Angeles Cleaned Up the World’s Air Pollution

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How long is this episode of Shift Key with Robinson Meyer?

This episode is 49 minutes long.

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This episode was published on May 22, 2026.

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We live in a time of unheralded environmental victories. Dolphins and whales swim in New York and San Francisco harbors. Lead has been eliminated globally in gasoline for cars and trucks. And Southern California has cleaned up its air.That last one...

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