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Study finds half of the world’s population exposed to increasing air pollution

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A team of researchers, led by Professor Gavin Shaddick at the University of Exeter, has shown that, despite global efforts to improve air quality, half of the world’s population is exposed to increasing air pollution. Credit: Professor Gavin Shaddick/University of Exeter. Units for both are ?g/m

Pollution 259
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MIT researchers build model simulating atmospheric transport of PAHs; how chemicals get to the Arctic

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Persistent organic pollutants are chemicals of substantial international concern. GEOS-Chem captures observed seasonal trends with no statistically significant difference between simulated and measured mean annual concentrations. The presence of these pollutants in the Arctic is important for several reasons.

MIT 218
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Study finds rising temperatures increase risk of unhealthy ozone levels absent sharp cuts in precursors

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Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise, according to new work led by the National Center for Atmospheric Research (NCAR). These gases come from human activities such as combustion of coal and oil as well as natural sources such as emissions from plants.

Ozone 199
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Measurements of CO2 and CO in China’s Air Indicate Sharply Improved Combustion Efficiency

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The findings, published in the 21 September issue of Atmospheric Chemistry and Physics , are generally consistent with official Chinese government statistics and could bolster their credibility as international negotiations proceed on commitments of China and other nations to combat climate change. She completed her Ph.D. Munger, J.

CO2 199
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Using the PHEV (Plug-In Hybrid Electric Vehicle) to Transition Society Seamlessly and Profitably From Fossil Fuel to 100% Renewable Energy

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Frank is Professor Emeritus, Mechanical and Aeronautical Engineering at the University of California, Davis, where he established the Institute for Transportation Studies (ITS-Davis), and was director of the US Department of Energy’s National Center of Hybrid Excellence at UC Davis. Appendix D: Vehicle Driving Statistics. slow charge.

PHEV 150