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EPA: US Greenhouse Gas Emissions Rose 1.4% in 2007

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The US Environmental Protection Agency (EPA) has released the national greenhouse gas inventory, which finds that overall emissions during 2007 increased by 1.4% Total emissions of the six main greenhouse gases in 2007 were equivalent to 7,150 Tg of carbon dioxide. percent from 1990 to 2007. in total between 2005 and 2007.

2007 150
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EPA: US GHG emissions in 2017 down 0.3% from 2016

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The decrease in CO 2 emissions from fossil fuel combustion was a result of multiple factors, including a continued shift from coal to natural gas, increased use of renewables in the electric power sector, and milder weather that contributed to less overall electricity use. above 1990 levels in 2007. below 2005 levels.

2017 262
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EPA annual US GHG inventory shows 1.6% drop in 2011 from previous year; transportation CO2 down 1.1%

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Recent trends can be attributed to multiple factors including reduced emissions from electricity generation, improvements in fuel efficiency in vehicles with reductions in miles traveled, and year-to-year changes in the prevailing weather, EPA said. Commercial aircraft emissions continued to fall, having decreased 18% since 2007.

2011 218
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EIA: US energy-related CO2 emissions down 1.7% in 2016; carbon intensity of economy down 3.1%; transportation emissions up

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The natural gas share of electricity generation has grown as the coal share declined, partially offsetting the decline in energy-related CO 2 emissions from coal. These emissions were highest in 2007, prior to the recession, and have not returned to those levels, despite increasing every year since 2012. from the 2015 level.

2016 150
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EIA: US energy-related CO2 dropped 2.7% in 2015; of end-use sectors, only transportation increased

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Specific circumstances, such as the very warm fourth quarter of 2015 and relatively low natural gas prices, put downward pressure on emissions as natural gas was substituted for coal in electricity generation. Gasoline accounted for 77% of the 38 MMmt increase in the transportation sector—30 MMmt, an increase of 2.8%

2015 150
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California 2017 GHG inventory shows 1.2% total drop from 2016; transportation sector emissions up 1%

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Emissions from transportation sources were relatively constant from 2002 through 2007, declined through 2013, then increased by 9.0 Emissions from gasoline used in on-road vehicles are the main driver of that increase. In-State Hydro, Solar, and Wind Electricity Generation. Source: ARB. MMTCO 2 e (6%) from 2013 to 2017.

2017 230
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EPA: US greenhouse gases dropped 3.4% in 2012 from 2011; down 10% from 2005 levels

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Greenhouse Gas Emissions and Sinks , which is submitted annually to the Secretariat of the United Nations Framework Convention on Climate Change, presents a national-level overview of annual greenhouse gas emissions since 1990. decrease in 2012 from 2011. The Inventory of U.S. from 1990 to 2012. Source: EPA. Click to enlarge.

2005 252