China is a nighttime "hot-spot" for the production of nitrate radicals (PNO3) that could have a major impact on health-threatening ozone and fine particulates (PM2.5) in the atmosphere, a new study reveals.
Earth Sciences
Jan 26, 2023
0
35
(AP) -- Sixty percent of Americans live in areas with unhealthy air pollution levels, despite a growing green movement and more stringent laws aimed at improving air quality, the American Lung Association said in a report ...
Environment
Apr 29, 2009
4
0
Levels of two major air pollutants have been drastically reduced since lockdowns began in response to the COVID-19 pandemic, but a secondary pollutant—ground-level ozone—has increased in China, according to new research.
Environment
May 11, 2020
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11
(Phys.org) —A team of research conservationists with members from several universities in the U.S. is suggesting in a paper they've had published in Proceedings of the National Academy of Sciences, that urban areas could ...
The first detailed analysis of air pollution trends in China reveals a 20 per cent drop in concentrations of particulate pollution over the last three years (2015-2017).
Environment
Oct 17, 2018
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61
Urgent action is needed to reduce the high concentrations of dangerous air pollutants in Europe, according to experts writing in the European Respiratory Journal today (1 March 2012).
Environment
Mar 1, 2012
0
0
Chemicals released into the air by oil and gas exploration, extraction and related activities can spark reactions that lead to high levels of ozone in wintertime, high enough to exceed federal health standards, according ...
Environment
Oct 1, 2014
0
0
U.S. pollution regulations meant to protect humans from dirty air are also saving birds. So concludes a new continentwide study published today in The Proceedings of the National Academy of Sciences. Study authors found that ...
Ecology
Nov 24, 2020
4
335
Kudzu, an invasive vine that is spreading across the southeastern United States and northward, is a major contributor to large-scale increases of the pollutant surface ozone, according to a study published the week of May ...
Earth Sciences
May 17, 2010
3
2
(Phys.org) —A study conducted by Alberto Salvo and Franz Geiger of the National University of Singapore and Northwestern University respectively, has revealed that when drivers switch from using ethanol to power their vehicles, ...
