Articles on Aerosols

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Coughing, sneezing, talking and even just breathing can produce airborne particles that can spread SARS-CoV-2. Stanislaw Pytel/Digital Vision via Getty Images

People are getting sick from coronavirus spreading through the air – and that’s a big challenge for reopening

SARS-CoV-2 can be spread through the air. But just how much of a factor that is has been hard to determine. Recent evidence suggests it is common, posing problems as public places begin to reopen.
Evidence is growing that when masks are worn by nearly everyone, it can slow coronavirus transmission. AP Photo/Rick Bowmer

Masks help stop the spread of coronavirus – the science is simple and I’m one of 100 experts urging governors to require public mask-wearing

Recommendations around mask usage are confusing. The science isn't. Evidence shows that masks are extremely effective to slow the coronavirus and may be the best tool available right now to fight it.
The guidance on masks appears to be shifting, but social distancing is still the key step people can take. Muhammad Fayyaz Rub/Shutterstock.com

Should we wear masks or not? An expert sorts through the confusion

The CDC is reconsidering its policy about the widespread public's use of masks, as is the World Health Organization. Here are the facts about when it's appropriate to wear a mask – and what kind.
The role pollution aerosols play in climate change is incredibly complicated. CzechR/Flickr

Masking and unmasking of global warming by aerosols

Climate scientists have established a convincing case for the link between increasing concentrations of greenhouse gases and observed warming of the Earth since the 19th century. The Fifth Assessment Report…
How much influence do aerosols such as this smog have on climate? Flickr/freddie boy

Climate change and aerosols: new research

New research published today in Nature gives us a better idea of how much aerosols produced by people are influencing climate…
Touch of salt needed, I think. Heng Sinith/AP

Improving cookstoves will help save lives - and the planet

Around three billion people in the world, largely in developing countries, rely on fuels like wood and charcoal for cooking and heating in the home. But burning these biomass fuels, not least in confined…
Air pollution has been found to have affected coral growth in the Caribbean over many decades. Lester Kwiatkowski, University of Exeter

Air pollution casts a cloud over coral reef growth

Tiny particles of air pollution can stunt the growth of coral reefs, according to a [new study in Nature Geoscience](http://dx.doi.org/10.1038/ngeo1780](http://dx.doi.org/10.1038/ngeo1780…

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