Clear skies and longer lives
By Dr Kerry Nice Published on August 9, 2022 As around four billion people around the world shut their doors during the COVID-19 pandemic – cutting their travel by more than half – city skies that were once overcast with air pollution began to clear up. For governments around the world, public health responses early in the COVID-19 pandemic included restricting movement to reduce rates of disease transmission. While these restrictions were effective in dampening case numbers, they also produced significantly lower levels of air pollution.