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State Department issues Draft Supplemental Environmental Impact Statement on Keystone XL Pipeline: climate change impacts

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The US Department of State (DOS) has released its Draft Supplemental Environmental Impact Statement (SEIS) in response to TransCanada’s May 2012 application for the Keystone XL pipeline that would run from Canada’s oils sands in Alberta to Nebraska. The pending application proposes a new route through Nebraska.

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Obama Administration to delay Keystone XL Pipeline decision to sometime in 2013

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The US State Department today said that, “ particularly given the concentration of concerns regarding the environmental sensitivities of the current proposed route through the Sand Hills area of Nebraska ”, it needs to undertake an in-depth assessment of potential alternative routes in Nebraska.

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Study finds air pollution caused by corn production increases mortality rate in US

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The deaths caused per bushel in western corn belt states such as Minnesota, Iowa, and Nebraska tend to be lower than in eastern corn belt states such as Illinois, Indiana, and Ohio. This paper also estimates life-cycle greenhouse gas emissions of corn production, finding total climate change damages of $4.9 per bushel (56.5

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EIA releases report on CO2 emissions by state; California led in 2010 with transportation-sector emissions

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The greatest percentage increase was in Nebraska at 16.0% (6.6 Climate Change Emissions' The greatest absolute decline was 58.8 million tonnes in Texas (8.3%). New York experienced a decline of 38.6 million tonnes (18.3%). million tonnes), while Colorado experienced the greatest absolute increase (11.8 million tonnes or 13.9%).

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DOE Regional Partnership Initiates CO2 Injection in Lignite Coal Seam

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The long-term storage of CO2 by injection in underground geologic reservoirs is expected to play a major role in addressing climate change concerns. The final phase, the development phase (2007–2017), will conduct large-volume carbon storage tests. NETL manages the partnership program for DOE’s Office of Fossil Energy.

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DOE Regional Partnership Begins Core Sampling for Large-Volume Carbon Sequestration Test

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Geologic carbon sequestration is expected to play an important future role in mitigating greenhouse gas emissions and combating climate change. The National Energy Technology Laboratory manages the Regional Carbon Sequestration Partnerships program on behalf of the DOE Office of Fossil Energy.

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Study casting doubt on GHG benefits of corn stover ethanol draws sharp criticism by other researchers; Liska responds

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A study published earlier this year in the journal Nature Climate Change that cast doubt on whether biofuels produced from corn residue could meet federal mandates for cellulosic biofuels to reduce greenhouse gas emissions by 60% compared to gasoline ( earlier post ) has drawn critical response published as correspondence in the same journal.