(Ben Nelms/CBC)Bad air killsIt's estimated that each year roughly 8.7 million people around the world die from conditions attributed to air pollution from fossil fuels. Previous work has already shown greater risk from respiratory disease in places with higher levels of air pollution in China and Europe. The significant drop of air pollutants such as NO2, is something that researchers hope can continue after the lockdown, but with less drastic measures. Jeff Brook, an assistant professor at University of Toronto's Dalla Lana School of Public Health, studies air quality. "All we know about air pollution and health relationships suggests that any improvement leads to benefits in health," Brook said.

Source: CBC News March 13, 2021 09:00 UTC