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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. What Keystone XL would carry. Earlier post.) Greenhouse gas LCA analysis.

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TransCanada announces additional commitments to proposed Keystone XL system; the Houston Lateral and capacity expansion to 830,000 barrels per day

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TransCanada Corporation has received additional binding commitments in support of the proposed Keystone XL pipeline system—designed to bring Canadian oil sands crude to Gulf Coast refineries—following the successful conclusion of the Keystone Houston Lateral Open Season.

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State Department releases Keystone XL Final Supplemental Environmental Impact Statement

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Incremental well-to-wheels GHG emissions from WCSB Oil Sands Crudes Compared to Well-to-Wheels GHG Emissions from Displacing Reference Crudes Click to enlarge. Domestic production of crude oil has increased significantly, from approximately 5.5 That portion of the pipeline has already been built. million bpd in 2010 to 6.5

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NRC report concludes hydraulic fracturing poses low risk for causing earthquakes, but risks are higher for wastewater injection wells; CCS impact undetermined

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Hydraulic fracturing (“fracking”) extracts natural gas by injecting a mixture of water, sand, and chemicals in short bursts at high pressure into deep underground wells. CCS, due to the large net volumes of injected fluids, may have potential for inducing larger seismic events. —“Induced Seismicity Potential in Energy Technologies”.

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