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Since millions of Californians began staying at home and off the roads in March, air quality in the Golden State has visibly improved. Once life returns to normal, however, air pollution levels are likely to return to their prepandemic levels. A team of UCLA researchers argues this does not have to be our fate. In a peer-reviewed study published May 4 in the journal Nature Sustainability, they describe a pathway for California to dramatically cut greenhouse gas emissions and air pollution by 2050.
