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Study suggests air pollution may be linked to heightened mouth cancer risk; PM2.5 and ozone

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High levels of air pollutants, especially fine particulate matter (PM 2.5 ) and to a lesser extent, ozone, may be linked to a heightened risk of developing mouth cancer, suggests a study by a team of Taiwanese researchers. In 2012-13, 1617 cases of mouth cancer were diagnosed among the men. When compared with levels below 26.74

Ozone 255
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International study identifies 14 key measures to reduce methane and black carbon emissions; reduction in projected global mean warming of ~0.5 °C by 2050

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A study by an international team of researchers, led by Drew Shindell of NASA’s Goddard Institute for Space Studies (GISS) in New York City, has identified 14 measures targeting methane and black carbon (BC) emissions that could reduce projected global mean warming ~0.5°C All 14 would curb the release of either black carbon or methane.

Carbon 257
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California Air Resources Board adopts GHG cap-and-trade program; first auctions slated for Aug/Nov 2012

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The cap-and-trade joins a suite of other major climate program measures including standards for ultra-clean cars (Advanced Clean Cars, earlier post ), low-carbon fuels (Low Carbon Fuel Standard, earlier post ) and renewable electricity. The cap will be set in 2013 at about 2% below the emissions level forecast for 2012.

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Up close and personal with Volkswagen’s e-Golf carbon offset project: Garcia River Forest

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In 2014, Volkswagen of America announced that starting with the launch of the zero-tailpipe emissions battery-electric 2015 e-Golf ( earlier post ), it would invest in projects to offset the carbon emissions created from the e-Golf on a full lifecycle basis: production, distribution and up to approximately 36,000 miles (57,936 km) of driving.

Carbon 150
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California ARB soliciting research suggestions for FY 2012-2013 plan; sustainable communities, behavior, pollutant exposure, air pollution science, GHG targets

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The California Air Resources Board (ARB) is soliciting research suggestions for the Fiscal Year 2012-2013 Annual Research Plan in the form of brief conceptual descriptions that address specified research gaps and support the Board’s ongoing regulatory and policy priorities. The deadline to submit research concepts is 31 January 2012.

Pollution 231
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Study uncovers role of longer-chain unburned hydrocarbon emissions from diesels in London air pollution; calls for regulatory shift

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The study found that 60% of the winter primary hydrocarbon hydroxyl radical reactivity in London is from those diesel-related hydrocarbons; the authors predicted that the longer-chain HCs contribute up to 50 % of the ozone production potential in London. —Dunmore et al. Dunmore et al. Dunmore et al.

London 150
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EPA proposes retaining current NAAQS for particulate matter

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The current annual standard has been in place since 2012. The US Environmental Protection Agency (EPA) is proposing to retain, without changes, the National Ambient Air Quality Standards (NAAQS) for particulate matter (PM) including both fine particles (PM 2.5 ) and coarse particles (PM 10 ).

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