Why We’re Still Breathing Dirty Indoor Air

In early 2020, the world scrubbed down surfaces, washed hands and sneezed into elbows, desperate to avoid infection with a new coronavirus. But the threat was not really lying on countertops and doorknobs. The virus was wafting through the air, set adrift in coughs and conversation, even in song. The pandemic raged for six months […]

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Covid Closed the Nation’s Schools. Cleaner Air Can Keep Them Open.

On a sunny afternoon in a cluttered music room at East High in Denver, two sophomores practiced violin while their music teacher, Keith Oxman, labored over a desk in an adjoining office. The ceiling fans were off to prevent the sheet music from scattering. The windows were sealed shut. East High is Denver’s largest high […]

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The New War on Bad Air

In January 1912, in the depths of a New York City winter, an unusual new apartment complex opened on the Upper East Side. The East River Homes were designed to help poor families fend off tuberculosis, a fearsome, airborne disease, by turning dark, airless tenements inside out. Passageways led from the street to capacious internal […]

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Why Air Quality Monitors Are the Hot New Back-to-School Accessory

When Lizzie Rothwell, an architect in Philadelphia, sent her son to third grade this fall, she stocked his blue L.L. Bean backpack with pencils, wide-ruled paper — and a portable carbon dioxide monitor. The device gave her a quick way to assess how much fresh air was flowing through the school. Low levels of CO2 […]

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Protecciones de plástico anticoronavirus: ¿sirven o estorban?

“Una forma de pensar en las barreras de plástico es que son buenas para bloquear cosas como los escupitajos, pero ineficaces para cosas como el humo de los cigarrillos”, dijo Marr. “El humo simplemente se desplaza alrededor de ellas, por lo que darán a la persona del otro lado un poco más de tiempo antes […]

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What Parents Need to Know About the C.D.C.’s Covid School Guidelines

But the variant may fuel outbreaks in unvaccinated communities and populations. “We are vaccinating more people every day, but we are not on a trajectory to be able to interrupt transmission by the fall,” said Dr. Sean O’Leary, a pediatric infectious disease specialist in Colorado. “Unless we can do that, just about everyone I know […]

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How to Reopen Offices Safely

For the last 15 months, many American offices sat essentially empty. Conference rooms and cubicles went unused, elevators uncalled, files untouched. Whiteboards became time capsules. Succulents had to fend for themselves. But over the coming weeks, many of these workplaces will creak slowly back to life. By September, roughly half of Manhattan’s one million office […]

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Covid Pandemic Demands Air Quality Changes in the Workplace, Researchers Say

Clean water in 1842, food safety in 1906, a ban on lead-based paint in 1971. These sweeping public health reforms transformed not just our environment but expectations for what governments can do. Now it’s time to do the same for indoor air quality, according to a group of 39 scientists. In a manifesto of sorts […]

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