How pandemic lockdowns cleaned the air but resulted in a warmer planet

Earth spiked a bit of a fever in 2020, partly because of cleaner air from pandemic lockdowns, which resulted in fewer cooling aerosols like soot and sulfates blocking light from the sun and creating a temporary warming effect, a new study has found. https://www.cbc.ca/news/technology/pandemic-lockdowns-warming-effect-1.5898234?cmp=rss #news/technology_&_science