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Study associates long-term exposure to air pollution with increasing emphysema

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Long-term exposure to ambient air pollutants, especially O 3 (ozone), is significantly associated with increasing emphysema, according to a new study led by the University of Washington, Columbia University and the University at Buffalo. Ground-level ozone is mostly produced when ultraviolet light reacts with pollutants from fossil fuels.

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UMD-led study finds China’s SO2 emissions down 75% since 2007, India’s up 50%; India may now be the top SO2 emitter

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Although China and India remain the world’s largest consumers of coal, a new University of Maryland-led study found that China’s sulfur dioxide emissions fell by 75% since 2007, while India’s emissions increased by 50%. Sulfur dioxide is an air pollutant that causes acid rain, haze and many health-related problems. Click to enlarge.

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Satellite study suggests California clean air regulations working to reduce PM2.5 emissions in state

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pollution in the state. is especially burdensome in California and accounts for the greatest percentage of health impacts attributable to air pollution. km-resolution MISR aerosol properties over Southern California for years 2001–2003, 2007–2009 and 2013–2015. to predict PM 2.5 Most monitors do not track individual PM 2.5

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California Energy Commission approves $2.9B investment for zero-emission transportation infrastructure

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The funds will support the deployment of thousands of zero-emission trucks, school buses and transit buses to deliver clean air benefits to communities hit hardest by the impacts of pollution from medium- and heavy-duty vehicles.

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Study links air pollution and cyclone intensity in Arabian Sea; suggested solutions include diesel filters and two-stroke engines running on LPG fuel

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Pollution is making Arabian Sea cyclones more intense, according to a study in the journal Nature. The Nature paper suggests that weakening winds have enabled the formation of stronger cyclones in recent years—including storms in 2007 and 2010 that were the first recorded storms to enter the Gulf of Oman. A three-kilometer (1.9-mile)-thick

Pollution 252
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Study projects net cooling of climate from ship emissions through 2050

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A recent study by an international team calculated that shipping causes a net cooling of climate across all parametrizations of the indirect aerosol effect (IAE) and scenarios throughout the period 1900?2050. 1 from shipping in 2007, corresponding to 3.3% 1 from shipping in 2007, corresponding to 3.3% Credit: ACS, Lund et al.

Climate 240
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California Energy Commission approves $95M plan for clean transportation investments; zero-emission infrastructure

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The California Energy Commission (CEC) approved a $95-million plan for critical clean transportation investments to expedite the adoption of zero-emission vehicles (ZEVs) and help the state reach its climate, air quality and other goals. The program funds air quality improvement projects relating to fuel and vehicle technologies.

Clean 273