Physicians Scientists & Engineers for Healthy Energy
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Peer Reviewed

Toward a better understanding and quantification of methane emissions from shale gas development

14 Apr 2014
Dana R. Caulton, Paul B. Shepson, Renee L. Santoro, Jed P. Sparks, Robert W. Howarth, Anthony R. Ingraffea, Maria O. L. Cambaliza, Colm Sweeney, Anna Karion, Kenneth J. Davis, Brian H. Stirm, Stephen A. Montzka, Ben R. Miller
Peer Reviewed

The Health Implications of Fracking

The Lancet
28 Feb 2014
Kovats S, Depledge M, Haines A, Fleming LE, Wilkinson P, Shonkoff SB, Scovronick N
What is known about the health effects of gas extraction by induced hydraulic fracturing of gas-bearing rock—ie, fracking? A workshop held on Nov 15, 2013, at the London School of Hygiene and Tropical Medicine and attended by scientists, public health professionals, and decision makers addressed this question.
Peer Reviewed

Methane Leaks from North American Natural Gas Systems

14 Feb 2014
A. R. Brandt, G. A. Heath, E. A. Kort, F. O'Sullivan, G. Pétron, S. M. Jordaan, P. Tans, J. Wilcox, A. M. Gopstein, D. Arent, S. Wofsy, N. J. Brown, R. Bradley, G. D. Stucky, D. Eardley, R. Harriss

This study examines recent estimates of methane leakage, which have challenged the benefits of switching from coal to natural gas.

Natural Gas Pipeline Leaks Across Washington, DC

Environmental Science and Technology
Jan 2014
Jackson, Robert B., Adrian Down, Nathan G. Phillips, Robert C. Ackley, Charles W. Cook, Desiree L. Plata, and Kaiguang Zhao
This study presents sampling results of methane leakage from the natural gas distribution system in Washington DC. 12 of the 19 locations tested showed concentrations hig enough to risk explosion.
Peer Reviewed

Life Cycle Assessment (LCA) of Electricity Generation Technologies: Overview, Comparability and Limitations

Renewable and Sustainable Energy Reviews
Dec 2013
Turconi, Roberto, Alessio Boldrin, and Thomas Astrup
This study presents a review of 167 case studies involving the life cycle assessment (LCA) of electricity generation based on hard coal, lignite, natural gas, oil, nuclear, biomass, hydroelectric, solar photovoltaic (PV) and wind to identify ranges of emission data for GHG, NOx and SO2.
Peer Reviewed

Anthropogenic emissions of methane in the United States

Proceedings of the National Academy of Sciences
25 Nov 2013
Scot M. Miller, Steven C. Wofsy, Anna M. Michalak, Eric A. Kort, Arlyn E. Andrews, Sebastien C. Biraud, Edward J. Dlugokencky, Janusz Eluszkiewicz, Marc L. Fischer, Greet Janssens-Maenhout, Ben R. Miller, John B. Miller, Stephen A. Montzka, Thomas Nehrkor

Successful regulation of greenhouse gas emissions requires knowledge of current methane emission sources. Existing state regulations in California and Massachusetts require ∼15% greenhouse gas emissions reductions from current levels by 2020. However, government estimates for total US methane emissions may be biased by 50%, and estimates of individual source sectors are even more uncertain. This study uses atmospheric methane observations to reduce this level of uncertainty. We find greenhouse gas emissions from agriculture and fossil fuel extraction and processing (i.e., oil and/or natural gas) are likely a factor of two or greater than cited in existing studies. Effective national and state greenhouse gas reduction strategies may be difficult to develop without appropriate estimates of methane emissions from these source sectors.

Open Access
Peer Reviewed

Measurements of methane emissions at natural gas production sites in the United States

29 OCT 2013
David T. Allen, Vincent M. Torres, James Thomas, David W. Sullivan, Matthew Harrison, Al Hendler, Scott C. Herndon, Charles E. Kolb, Matthew P. Fraser, A. Daniel Hill, Brian K. Lamb, Jennifer Miskimins, Robert F. Sawyer, and John H. Seinfeld

This work reports direct measurements of methane emissions at 190 onshore natural gas sites in the United States.

Peer Reviewed

Methane emissions estimate from airborne measurements over a western United States natural gas field

Geophysical Research Letters
27 Aug 2013
Anna Karion, Colm Sweeney, Gabrielle Pétron, Gregory Frost, R. Michael Hardesty, Jonathan Kofler, Ben R. Miller, Tim Newberger, Sonja Wolter, Robert Banta, Alan Brewer, Ed Dlugokencky, Patricia Lang, Stephen A. Montzka, Russell Schnell, Pieter Tans, Micha
This study used atmospheric measurements in a mass balance approach to estimate methane emissions from a natural gas and oil production field in Uintah County, Utah.
Peer Reviewed

Quantifying sources of methane using light alkanes in the Los Angeles basin, California

28 May 2013
J Peischl, TB Ryerson, J Brioude, KC Aikin, AE Andrews, E Atlas, D Blake, BC Daube, JA de Gouw, E Dlugokencky, GJ Frost, DR Gentner, JB Gilman, AH Goldstein, RA Harley, JS Holloway, J Kofler, WC Kuster, PM Lang, PC Novelli, GW Santoni, M Trainer, SC Wofsy
Peer Reviewed

Greenwashing gas: Might a ‘transition fuel’ label legitimize carbon-intensive natural gas development?

Energy Policy
30 Apr 2012
Eleanor Stephensona, Alexander Doukasa, Karena Shaw
This paper evaluates natural gas as a viable "bridge fuel" through a case study of the shale gas industry in British Columbia (BC), Canada.
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