https://healthyschools.org/2023/03/24/act-now-to-support-100m-in-us-epa-clean-air-in-schools-budget/
ACT NOW to Support $100M in US EPA Clean Air in Schools Budget - Healthy Schools Network
Aug 7, 2023 - Poor indoor environments in schools decrease seat time, attendance and test scores, and increase asthma and other health events, and thus increase health costs.