That’s, as we polluted much less—heavy trade spun down, flights acquired canceled, individuals stopped commuting—we additionally produced much less of the pollutant that usually breaks down methane. It’s a second unlucky and shocking consequence of slicing air pollution: Burning fossil fuels additionally produces aerosols that bounce a number of the solar’s power again into house, considerably cooling the local weather. Whereas it’s crucial that we decarbonize as rapidly as potential, slicing out the useful results of…