San Jose, Calif.-based NBC television station KNTV reporters Bigad Shaban, Robert Campos, Jeremy Carroll, Michael Horn and Mark Villarreal say Bay Area school districts spent millions of dollars on air cleaning systems, which some air quality experts say could endanger students’ health. An NBC Bay Area Investigation reveals why scientists, including those at the Environmental Protection…
Schools Spent Millions to Clean Indoor Air, Now Some Fear Technology Could Be Dangerous
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