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Harvard/Nanjing study: China’s war on PM2.5 pollution is causing more severe ozone pollution

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In early 2013, the Chinese government declared a war on air pollution and began instituting stringent policies to regulate the emissions of PM 2.5. Cities restricted the number of cars on the road, coal-fired power plants reduced emissions or were shuttered and replaced with natural gas. Over the course of five years, PM 2.5

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EPA data shows sharp decline in 2013 methane emissions from hydraulically fractured wells: down 73% from 2011

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The US Environmental Protection Agency (EPA) released its fourth year of Greenhouse Gas Reporting Program data, detailing greenhouse gas pollution trends and emissions from large sources and suppliers broken down by industrial sector, geographic region and individual facilities. billion metric tons of CO 2 reported for 2013 represent 91.4%

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EPA: US greenhouse gases up 2% in 2013; increased coal consumption, cool winter

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US GHG emissions by sector, 1990-2013. Total US greenhouse emissions were 6,673 million metric tons of carbon dioxide equivalent in 2013, an increase of 2% (127.9 over the prior year, according to the EPA’s newly published Inventory of US Greenhouse Gas Emissions and Sinks: 1990–2013. from 1990 to 2013. from 1990 to 2013.

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UCS analysis finds Hyundai-Kia with best sales-weighted new vehicle environmental performance in US in 2013

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In its sixth sales-weighted analysis of emissions from 8 major automakers’ 2013 model year vehicles, the Union of Concerned Scientists’ (UCS) latest Automaker Rankings report found that Hyundai-Kia unseated Honda as the “Greenest Automaker.” Climate Change Coal Emissions Fuel Efficiency' Click to enlarge. Source: UCS. Click to enlarge.

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ADB approves $499M loan to establish facility for improved air quality in greater Beijing area; includes hydrogen transport

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The Asian Development Bank’s (ADB) Board of Directors approved a €428-million ($499-million) loan to set up a regional emission-reduction and pollution-control facility as part of a multiyear and multisector support program to improve air quality in the greater Beijing-Tianjin-Hebei (BTH) region, which suffers from heavy air pollution.

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Researchers identify new nitrated PAH compounds from combustion that are hundreds of times more mutagenic than parent PAHs

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These new compounds were not previously known to exist, and raise additional concerns about the health impacts of heavily-polluted urban air or dietary exposure. PAHs form naturally as the result of almost any type of combustion, from a wood stove to an automobile engine, cigarette or a coal-fired power plant. Dashwood, and Staci L.

Pollution 275
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WHO data: global annual PM10 increased by 6% during recent 3-year period; based on data from 851 cities

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Air quality in most cities worldwide that monitor outdoor (ambient) air pollution fails to meet World Health Organization (WHO) guidelines for safe levels, putting people at additional risk of respiratory disease and other health problems, according to WHO’s expanded ambient (outdoor) air pollution (AAP) in cities database 2014.

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