EL CMM EN LOS MEDIOS

“We assume that an air quality emergency in the 1990s was the same as now, but it isn’t,” says Antonio Mediavilla, project co-ordinator at the Centro Mario Molina, a leading environmental think-tank in Mexico City named after its founder, a Mexican chemist who shared the Nobel Prize in 1995 for identifying the role of chlorofluorocarbons on the ozone layer. “Air quality has improved significantly since the 1990s . . . but it’s still not ideal.”