Gizmodo : Environment

Even after smoke from a wildfire has visibly cleared, lingering toxins indoors can tank air quality and threaten our health. Harmful chemicals stick around on surfaces and release into the air—and, new research found, air filters won’t get rid of them.

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A policeman used a flare to guide cars through traffic during the Great Smog in 1952.
A policeman used a flare to guide cars through traffic during the Great Smog in 1952.
Gizmodo : Environment

This story was originally published by Grist, in collaboration with the Houston Chronicle and the Beaumont Enterprise.