If we are to live with this coronavirus forever—as seems very likely—some scientists are now pushing to reimagine building ventilation and clean up indoor air. We don’t drink contaminated water. Why do we tolerate breathing contaminated air - Sarah Zhang


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It is time to clean up the air in buildings

In 1842 Edwin chadwick, a British social reformer, published his “Report on the Sanitary Condition of the Labouring Population”. By documenting evidence of social and geographic inequalities in health, Chadwick showed that poor sanitation was associated with poor health. The report eventually led British cities to organise clean water supplies and to centralise their sewage systems, in turn reducing the prevalence of infectious diseases, in particular cholera. Similar reforms around the world in the 20th century tackled food safety and outdoor-air pollution. Now a new public-health priority is becoming apparent: making indoor air cleaner.

Take schools. They are “chronically under-ventilated”,…

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Last Updated : Wednesday, October 6, 2021