As wildfires in Siberia become more common, global climate modeling estimates significant impacts on climate, air quality, health, and economies in East Asia and across the northern hemisphere.
Earth Sciences
Apr 24, 2024
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46
Sulfate-nitrate-ammonium (SNA) and other atmospheric aerosols play a significant role in influencing both atmospheric and environmental conditions. These aerosols impact climate directly through scattering and absorbing solar ...
Earth Sciences
Jan 26, 2024
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3
Fine particulate matter comes from wood burning, power generation, motor vehicles and other combustion sources that emit tiny particles into the air. At only 2.5 micrometers or smaller, these particles are small enough to ...
Environment
Jul 13, 2023
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68
Globally, wildfires are becoming more frequent and destructive, generating a significant amount of smoke that can be transported thousands of miles, driving the need for more accurate air pollution forecasts. A team of Penn ...
Environment
Mar 14, 2023
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25
When thunderstorms rumble overhead, weak electrical discharges—called corona—can occur on tree leaves. A new study found coronas create large amounts of atmospheric chemicals that could impact air quality around forests, ...
Environment
Oct 19, 2022
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34
It is a new chemistry found to take place in a cloud droplet, a wet aerosol, or on the surface of a dust particle. All that it takes to get started is natural events like dust storms, ocean wave action, volcanic eruptions, ...
Analytical Chemistry
Sep 20, 2022
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21
Fine particulate matter (PM2.5) and ozone exposure are major public health problems in China. Although useful, atmospheric models used to analyze these and other air quality concerns over the years are expensive to run, limiting ...
Earth Sciences
Jun 24, 2022
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10
Air pollution is linked to more than 4 million deaths around the globe every year, according to the World Health Organization. Atmospheric pollutants like aerosols and ozone affect not only human health but also the global ...
Environment
Aug 25, 2021
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46
Atmospheric scientists are embarking on two new research projects supported by the U.S. National Science Foundation that involve using sophisticated planes to understand the atmospheric chemistry and levels of pollutants ...
Environment
Sep 29, 2020
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4
The lockdown led to a significant drop in some pollutants in the UK's towns and cities, mainly as a result of less traffic, a new report reveals.
Environment
Jul 2, 2020
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10
