First lockdown's effect on air pollution was overstated, our study reveals
Exaggerating how much lockdown improved air quality could allow us to underestimate the scale of the air pollution problem.
Jan. 13, 2021 • ~7 min
Keeping indoor air clean can reduce the chance of spreading coronavirus
Being indoors with other people is a recipe for spreading the coronavirus. But removing airborne particles through proper ventilation and air filtration can reduce some of that risk.
Nov. 20, 2020 • ~7 min
How to use ventilation and air filtration to prevent the spread of coronavirus indoors
Good ventilation can reduce the risk of catching coronavirus. An environmental engineer explains how to know if enough outside air is getting into a room and what do to if ventilation is bad.
Aug. 10, 2020 • ~10 min
A massive Saharan dust plume is moving into the southeast US, bringing technicolor sunsets and suppressing tropical storms
From June through October, it's not unusual for huge Saharan dust plumes to blow across the Atlantic. They can darken skies but also bring calmer weather and electric sunsets. Here's how they form.
June 25, 2020 • ~7 min
Days with both extreme heat and extreme air pollution are becoming more common – which can't be a good thing for global health
In South Asia, days with both extreme heat and extreme pollution are expected to increase 175% by 2050. Separately, the health effects are bad; together they will likely be worse.
June 25, 2020 • ~7 min
A few ‘super polluters’ spew most industrial pollution
Just a handful of facilities that emit unusually high levels of toxic chemicals account for the majority of industrial pollution year after year.
May 19, 2020 • ~7 min
What we do and don't know about the links between air pollution and coronavirus
Yes, poor air quality is bad for your health – but beware simplistic correlations with COVID-19.
May 12, 2020 • ~6 min
‘Tweezers’ show how particles evolve in the atmosphere
"The optical tweezers allow us to ... directly probe the dynamic evolution of all these critical properties of atmospheric particles and how they feedback on each other as each particle continues to evolve."
Feb. 27, 2020 • ~8 min
Car pollution is a major source of ultrafine particles
Auto emissions are key to the creation of "ultrafine particles," which have been linked to health problems and birth defects, researchers say.
Feb. 5, 2020 • ~4 min
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