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WHO issues new, lower Global Air Quality Guidelines for classical pollutants

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Since WHO’s last 2005 global update, there has been a marked increase of evidence that shows how air pollution affects different aspects of health. Recommended 2021 AQG levels compared to 2005 air quality guidelines. and carbon monoxide (CO)—it also has an impact on other damaging pollutants. Source: WHO.

Pollution 435
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EPA report to Congress finds a strong scientific and technical foundation for mitigating black carbon emissions

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The US Environmental Protection Agency (EPA) has submitted its final Report to Congress on Black Carbon , in response to an October 2009 request from Congress to advance efforts to understand the role of black carbon (BC) in climate change. —Report to Congress on Black Carbon. Source: EPA.

Congress 252
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Study finds automobile tires are a potential source of carcinogenic dibenzopyrenes to the environment

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A new study by researchers from Stockholm University concludes that automobile tires may be a potential previously unknown source of carcinogenic dibenzopyrenes—a type of high molecular weight polycyclic aromatic hydrocarbon (PAH)—to the environment. 35% reinforcing agents/fillers such as carbon black or silica; and 15?20%

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Berkeley Lab releases 8th edition of databook on China’s energy and environment; finding the “missing” energy consumption

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In the 8 th edition, the China Energy Group researchers have amassed an enormous trove of data from firsthand sources and organized much of it into a relational database, making it far more useful for research and analytical purposes. Compared to 2005-2006, it has probably doubled its presence.

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Study projects explosive growth in African emissions from combustion of fossil fuels and biofuels absent regulation

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The findings, reported in an open access paper in the journal Environmental Research Letters , predict very large increases in black carbon, organic carbon, CO, NO x , SO 2 and non-methane hydrocarbon emissions if no emission regulations are implemented. 2014) Environ. Source: Liousse et al. Click to enlarge. Resources.

Emissions 240
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Aviation Summit calls for global framework on emissions reductions

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The 6 th Aviation and Environment Summit , recently held in Geneva, Switzerland, concluded with the adoption of an industry declaration titled “Aviation Benefits Beyond Boundaries,” as a joint message to the UN Conference on Sustainable Development (UNCSD, or Rio+20).

Emissions 240
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Harmonizing Low Carbon Fuel Standards

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—Low Carbon Fuel Standard 2011 Program Review Report. The California LCFS regulation, which went in to effect on 15 April 2010, targets a reduction of the carbon intensity (CI), on a full-fuel lifecycle basis, of transportation fuels (measured in gCO 2 e/MJ) used in California by an average of 10% by the year 2020.

Carbon 244