“Wong EY, Gohlke J, Griffith, WC, Farrow S, Faustman EM. 2004. Assessing the Health Benefits of Air Pollution Reduction for Children. Environmental Health Perspectives, 112 (2): 226-232. From this peer-reviewed study’s abstract: …On the basis of data from existing studies, reductions in criteria air pollutants predicted to occur by 2010 because of CAA [Clean Air Act] regulations are estimated to produce the following impacts…10,000 fewer asthma hospitalizations in children 1-16 years old, with estimated benefits ranging from $20 million to $46 million (1990 U.S. $); 40,000 fewer emergency department visits in children 1-16 years old, with estimated benefits ranging from $1.3 million to $5.8 million; 20 million school absences avoided by children 6-11 years old, with estimated benefits of $0.7-$1.8 billion;….”””