Yifang Zhu Quoted in UCLA Newsroom: Planning a Trip Abroad? Before you Pack, Check the Air Pollution Levels

“Los Angeles used to be nearly as polluted as Beijing is today,” said Yifang Zhu, co-lead author of the study and professor of environmental health sciences at the Fielding School. “A city’s air quality can improve markedly when effective environmental policies are put into place,” Zhu said