Opinion: It’s past time to address the problem of indoor air quality. A new technology can help

Until the early 20th century, America regularly experienced brutally destructive urban fires. Conflagrations like the 1871 Great Chicago Fire, which destroyed more than 17,000 buildings and left 100,000 people homeless, were thought to be unfortunate but inevitable: Large numbers of buildings in close proximity naturally led to large fires.

But then, conscious changes to the built environment eliminated large urban fires. Cities adopted building codes that restricted the use of flammable materials. New buildings incorporated fire doors, fire escapes, automatic sprinklers, fire alarms, and other safety features. By changing the way we build our buildings and infrastructure, we’ve quenched a significant threat to public health and safety.

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