A team of scientists led by researchers from the California Institute of Technology and NASA's Jet Propulsion Laboratory have fully characterized a key chemical reaction that affects the formation of pollutants in smoggy ...
Earth Sciences
Oct 28, 2010
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Ozone, the main component of air pollution, or smog, is a highly reactive, colorless gas formed when oxygen reacts with other chemicals. Although ozone pollution is most often associated with outdoor air, the gas also infiltrates ...
Environment
Sep 8, 2009
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As Asian countries develop, they are emitting more ozone precursors that pollute surface level air. Many studies have documented this pollution being carried by air currents to the western United States. To learn more about ...
Environment
Mar 2, 2012
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Extraordinarily cold temperatures in the winter of 2010/2011 caused the most massive destruction of the ozone layer above the Arctic so far: The mechanisms leading to the first ozone hole above the North Pole were studied ...
Earth Sciences
Jan 19, 2012
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Ozone may be weakening one of the Earth's most important cooling mechanisms, making it a more significant greenhouse gas than previously thought, research has found.
Environment
Mar 31, 2022
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117
High ozone levels and a quickly growing population are making it tough to implement regulations to reduce pollution, says a Cal State LA professor.
Environment
Jun 22, 2017
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56
Hong Kong choked under the worst smog ever recorded in the city Thursday, with residents warned to stay indoors, away from the blanket of toxic haze, officials said.
Environment
Aug 2, 2012
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Carbon footprints are a familiar way to assess how green your lifestyle is, but now you can also measure your nitrogen footprint using a new tool, the N-Calculator.
Environment
May 15, 2013
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An influx of pollution from Asia in the western United States and more frequent heat waves in the eastern U.S. are responsible for the persistence of smog in these regions over the past quarter century despite laws curtailing ...
Environment
Mar 1, 2017
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104
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
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