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EPA: US greenhouse gases dropped 3.4% in 2012 from 2011; down 10% from 2005 levels

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decrease in 2012 from 2011. According to the report, GHG emissions in 2012 showed a 10% drop below 2005 levels, and were only slightly above the emissions in 1994 (6,520 million metric tons). From 2011 to 2012, these emissions decreased by 198.8 Click to enlarge. The Inventory of U.S. Source: EPA. Click to enlarge. Tg CO 2 Eq.

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EPA proposes rule for nationwide 30% cut in GHG from existing power plants by 2030 relative to 2005

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The US Environmental Protection Agency (EPA) released the already widely-discussed (albeit without much detail) “Clean Power Plan” proposal, which mandates a national average 30% cut in greenhouse gas emissions from existing power plants from 2005 levels by 2030. billion (state compliance) in 2025 (2011$). million in 2030 (2011$).

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IEA: Global CO2 emissions up by 1.0 Gt (3.2%) in 2011 to record high

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gigatonnes (Gt) in 2011, according to preliminary estimates from the International Energy Agency (IEA). Coal accounted for 45% of total energy-related CO 2 emissions in 2011, followed by oil (35%) and natural gas (20%). Gt above 2011 levels. Gt above 2011 levels. In 2011, a 6.1% Gt on 2010, or 3.2%.

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EIA: US energy-related CO2 emissions down 2.4% in 2011 while GDP rose

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The US Energy Information Administration (EIA) reported that after an increase in 2010 of 3.3%, energy-related carbon dioxide emissions in the US in 2011 decreased by 2.4% (136 million metric tons), while GDP grew by 1.8%. Emissions in 2011 were 526 million metric tons (9%) below the 2005 level. mpg) from 2010 to 2011.

2011 231
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Study finds that worldwide SO2 emissions rose between 2000-2005 after decade of decline; China, shipping topped growth

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The analysis by researchers in the US and Europe estimates anthropogenic global and regional sulfur dioxide emissions spanning the period 1850–2005 using a bottom-up mass balance method, calibrated to country-level inventory data. Since 1980, the fraction of sulfur coming from petroleum (50%) and coal (30%) has remained constant.

2005 186
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BP Statistical Review finds global oil share down for 12th year in a row, coal share up to highest level since 1969; renewables at 2%

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in 2011, close to the historical average. Coal’s market share of 30.3% in 2011, broadly in line with the historical average but well below the 5.1% Coal was again the fastest growing fossil fuel with predictable consequences for carbon emissions; it now accounts for 30.3% World primary energy consumption grew by 2.5%

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NASA satellite images highlight US air quality improvement with reduction of NO2

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The gas is produced primarily during the combustion of gasoline in vehicle engines and coal in power plants. Nitrogen dioxide pollution, averaged yearly from 2005-2011, has decreased across the United States. It’s also a good proxy for the presence of air pollution in general.

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