The traffic ceased. The skies cleared.
Even with all the tumult wrought by the coronavirus, one of the ancillary effects of the crisis was its contribution to improved air quality in major cities across the world. As commuters stayed home, their vehicles stopped spewing pollutants.
In March, Los Angeles, for example, experienced its longest stretch of “good” air days in at least four decades, per data maintained by the EPA. Not engulfed in a brown haze, residents could see for miles.
In many cities, the opportunity to experience life with cleaner air brought greater scrutiny of the costs of living with smog and pollution and of transportation's contribution to the problem.
A first-of-its-kind report issued this week by the American Lung Association details those societal ramifications, and importantly, says $72 billion in public-health benefits can be achieve…