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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.

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NASA-led study suggests coal soot shrank Alpine glaciers in mid-1800s

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A NASA-led team of scientists has uncovered strong evidence that coal soot from a rapidly industrializing Europe caused the abrupt retreat of mountain glaciers in the European Alps that began in the 1860s, a period often thought of as the end of the Little Ice Age (LIA). Black carbon is the strongest sunlight-absorbing atmospheric particle.

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BNEF: Oil price plunge to have only moderate impact on low-carbon electricity development, but likely to slow EV growth

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The collapse in world oil prices in the second half of 2014 will have only a moderate impact on the fast-developing low-carbon transition in the world electricity system, according to research firm Bloomberg New Energy Finance. However, the slump in the Brent crude price per barrel from $112.36 on 30 June to $61.60

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Black carbon is a much larger cause of climate change than previously assessed; about twice previous estimates, and 2/3 the effect of CO2

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Schematic overview of the primary black-carbon emission sources and the processes that control. the distribution of black carbon in the atmosphere and determine its role in the climate system. Accounting for all of the ways black carbon can affect climate, it is believed to have a warming effect of about 1.1 Source: Bond et al.

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MIT study says combustion emissions cause ~200,000 premature deaths/year in US; vehicles and power generation top sources

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In a state-by-state analysis, the researchers found that California suffers the worst health impacts from air pollution, with about 21,000 early deaths annually, mostly attributed to road transportation and to commercial and residential emissions from heating and cooking. 2000 (90% CI: 0–4,000) early deaths from ozone, according to the study.

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Duke study finds China’s synthetic natural gas plants will have heavy environmental toll; 2x vehicle GHG if used for fuel

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Coal-powered synthetic natural gas (SNG) plants being planned in China would produce seven times more greenhouse gas emissions than conventional natural gas plants, and use up to 100 times the water as shale gas production, according to a new study by Duke University researchers published in the journal Nature Climate Change.

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