In June 1991, Mount Pinatubo in the Philippines erupted for nine hours, ejecting volcanic ash, water vapor, and at least 15 to 20 million tons of noxious sulfur dioxide gas into the stratosphere. Within two hours, the gas ...
Environment
Jul 25, 2022
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15
Cleaner air in United States and Europe is brewing more Atlantic hurricanes, a new U.S. government study found.
Earth Sciences
May 11, 2022
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Organic aerosols—such as those released in cooking—may stay in the atmosphere for several days, because of nanostructures formed by fatty acids as they are released into the air.
Earth Sciences
Apr 14, 2022
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121
Twenty years of measurements are only the beginning. Long-term measurements over several decades are crucial to enable predictions of how airborne particles affect the future climate, according to Lund University researcher ...
Environment
Sep 20, 2021
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44
The Southeast Asian monsoon region is located in warm and humid tropics. It is home to nearly 15% of the world's tropical forests and is one of the biodiversity hotspots in the world.
Earth Sciences
Jun 17, 2021
0
3
Aerosol reductions that would take place as countries meet climate goals could contribute to global cooling and prevent more than one million annual premature deaths over a decade, according to a new study from the University ...
Earth Sciences
Jun 1, 2021
0
10
Despite their extremely small size, submicron atmospheric aerosols are critical pollutants with climate change, air quality, and human health implications. Of these particles, secondary organic aerosols (SOA) form when volatile ...
Environment
May 7, 2021
2
36
The air in the United States and Western Europe is much cleaner than even a decade ago. Low-sulfur oil standards and regulations on power plants have successfully cut sulfate concentrations in the air, reducing the fine particulate ...
Earth Sciences
May 6, 2021
0
39
California's restrictions on vehicle emissions have been so effective that in at least one urban area, Los Angeles, the most concerning source of dangerous aerosol pollution may well be trees and other green plants, according ...
Environment
Mar 23, 2021
10
212
As countries around the world race to mitigate global warming by limiting carbon dioxide emissions, an unlikely source could be making climate goals harder to achieve without even deeper cuts in greenhouse gas production: ...
Environment
Mar 10, 2021
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