Kids Are Headed Back to School. Are They Breathing Clean Air?
Briefly

We and especially our children should be able to walk into a store or a gym or a school and assume the air is clean to breathe.
It's hard to assess just what schools have or haven't done to improve indoor air quality. No one - not one federal agency - collects nationwide air quality data on individual schools.
Federal air standards are stuck in the 1970s, aimed at protecting individuals from secondhand tobacco smoke, leaving school ventilation largely neglected.
Schools could use federal money to update air filtration and ventilation during the height of the pandemic, yet many have not taken advantage of these funds.
Read at www.scientificamerican.com
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