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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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the distribution of black carbon in the atmosphere and determine its role in the climate system. Black carbon (BC) is the second largest man-made contributor to global warming and its influence on climate has been greatly underestimated, according to the first quantitative and comprehensive analysis of this pollutant’s climate impact.

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Study projects net cooling of climate from ship emissions through 2050

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A recent study by an international team calculated that shipping causes a net cooling of climate across all parametrizations of the indirect aerosol effect (IAE) and scenarios throughout the period 1900?2050. 1 from shipping in 2007, corresponding to 3.3% 1 from shipping in 2007, corresponding to 3.3% Credit: ACS, Lund et al.

Climate 240
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Ford researchers: global light-duty CO2 regulatory targets broadly consistent with 450 ppm stabilization

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The SMP model calculates 2000?2050 The Ford team updated the SMP model with historical data for 2000, 2005, and 2010, and extended the model to calculate the total CO 2 emissions (tonnes) and the TTW (tank-to-wheel) emission rate (g CO 2 /km) for the new vehicle fleet. They converted from an absolute amount to scale relative to 2000.

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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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These emissions were highest in 2007, prior to the recession, and have not returned to those levels, although they have increased since 2012. Transportation-related CO2 emissions increased by 38 million metric tons (MMmt) (2.1%) in 2015. —“US Energy-Related Carbon Dioxide Emissions, 2015”. from 2014 levels.

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PBL/JRC: Global CO2 emissions increase to new all-time record in 2013, but growth is slowing down

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Global CO 2 emissions from fossil fuel use and cement production reached a new all-time high in 2013, according to the annual report “Trends in global CO2 emissions”, released by PBL Netherlands Environmental Assessment Agency and the European Joint Research Centre (JRC). Climate Change Emissions' percentage points to 4.7%.

2013 240
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GCP Carbon Budget Finds Anthropogenic CO2 Emissions Rose 2% in 2008 Despite Global Financial Crisis; Natural Sinks Not Keeping Pace With Increasing Emissions

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The authors, under the umbrella of the Global Carbon Project , reported a 29% increase in global CO 2 emissions from fossil fuel between 2000 and 2008 (the latest year for which figures are available), and by 41% between 2008 and 1990, the reference year of the Kyoto Protocol. between 2000 and 2008, compared with 1% per year in the 1990s.

2008 218
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Devil in the Details: World Leaders Scramble To Salvage and Shape Copenhagens UNFCCC Climate Summit

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However, the slow pace of negotiations spurred UNFCCC delegates to publish a “roadmap to Copenhagen” in December 2007 at the 13 th Congress in Bali, in an effort to accelerate the progress of those negotiations. by Jack Rosebro. as compared to 1990 emissions, to be achieved between 2008 and 2012. ” [ 1 ].

Climate 236