A national program to make every indoor space have proper ventilation / air puri...

		Der_Einzige on Nov 1, 2022 \| parent \| context \| favorite \| on: U.S. workers have gotten less productive – no one ... A national program to make every indoor space have proper ventilation / air purification. It's shocking how much this can help with other things e.g. asthma or allergies.