Keene High School students aim to teach others about air pollution – The Keene Sentinel

Keene High School students aim to teach others about air pollution
The Keene Sentinel
And these air pollutants, with diameters smaller than human hair or a speck of dust, are common in Keene in the winter. The city's valley location causes temperature inversion, where a layer of warm air covers the cool air below it, trapping the

View full post on air pollution – Google News

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