Volatile organic compounds (VOCs) are important precursors for secondary organic aerosol (SOA) formation. As a significant aromatic compound of VOC, 1,3,5-trimethylbenzene (1,3,5-TMB, C9H12) mainly comes from vehicle exhaust, ...
Biochemistry
Jan 11, 2022
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–After taking a rented camper outfitted with special equipment to measure methane on a cross-continent drive, a UC Santa Barbara scientist has found that methane emissions across large parts of the U.S. are higher than ...
Environment
May 15, 2013
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As vehicle traffic lightened and industry slowed during the COVID-19 stay-at-home period in 2020, a University of Houston study by the air quality forecasting group led by Yunsoo Choi, associate professor in the Department ...
Environment
May 10, 2022
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Air pollution from wildland fires and urban and agricultural areas in California is diminishing air quality at Devils Postpile National Monument, according to a recent study published in the journal Atmospheric Environment.
Environment
Apr 23, 2013
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Air can be considered a great equalizer – we all have to breathe it. Arizona State University faculty member Tom Cahill is interested in adding to our knowledge base of air quality in metropolitan Phoenix, and he uses monitoring ...
Environment
Aug 7, 2014
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Atmospheric nitrous acid (HONO) is an important source of tropospheric hydroxyl radicals (OH). During daytime, sunlight turns HONO into hydroxyl radicals. This process may make up as high as 60% of the total tropospheric ...
Environment
Nov 4, 2020
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Usually, it takes a nose to smell, but now - for the first time - scientists have developed a convincing model able to measure odours from pig farms by means of precise measurements of the content of odorants in the atmosphere.
Analytical Chemistry
Jun 21, 2016
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12
Is everyone equally affected by environmental pollution? This is the essence of 'environmental justice,' a concept that originated in the United States during the 1970s. It revolves around the idea of ensuring fairness and ...
Environment
Mar 25, 2024
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13
From our nation's founding, the Fourth of July has been synonymous with fireworks.
Environment
Jun 30, 2015
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25
A new study shows clean-air regulations have dramatically reduced acid rain in the United States, Europe, Japan and South Korea over the past 30 years, but the opposite is true in fast-growing East Asian megacities, possibly ...
Environment
Apr 3, 2013
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