Papers cited in lecture notes or used in their preparation:

Triggers for the Formation of Porphyry Ore Deposits in Magmatic Arcs, J.J. Wilkinsen, Nature Geoscience 6, pp. 917-25 (2013) (link)

Continental Root Control on the Genesis of Magmatic Ore Deposits, W.L. Griffin et al., Nature Geoscience 6, pp. 905-10 (2013) (link)

Critical Analysis of World Uranium Sources – USGS (2012) (link / cached copy)

The Opposite of Mining – Tar Sand Steam Extraction, Scientific American, January 2013 (link / cached copy)

The True Cost of Fossil Fuels, Scientific American, April 2013 (link)

Freight Facts and Figures 2013, Federal Highway Administration, US Department of Transportation (link / cached copy)

NTSB Issues Urgent Recommendations Calling for Improved Rail Cars to Carry Flammable Liquids, Press Release, 6 April 2015 (link / cached copy)

National Transportation Statistics, United States Department of Transportation (link / cached copy)

Table 2.6: Hazardous Materials, Fatalities, Injuries, Accidents & Property Damage (link / cached copy)

Solar Generation 6, European Photovoltaic Energy Association (link / cached copy) 

How Long Does it Take for Photovoltaics To Produce the Energy Used, PE Magazine, Society of Professional Engineers, February 2012  (link / cached copy)

Year in review: EROI or Energy Return on (Energy) Invested, D.J. Murphy & C.A.S. Hall, Annals of the New York Academy of Sciences 1185, pp. 102–118 (2010)  (link)

Energy Payback Time (EPBT) and Energy Return on Investment (EROI) of Solar Photovoltaic Systems: A Systematic Review and Meta-Analysis, Khagendra P. Bhandari et al., Renewable and Sustainable Energy Reviews 47, pp. 133-141 (2015)  (link)

The True Cost of Fossil Fuels, Mason Inman, Scientific American, April 2013 (link)

EROI of Different Fuels and Implications for Society, C.A.S. Hall et al., Energy Policy 64, pp. 141-52 (2014) (link / cached copy) 

Emissions of Methane, a Potent Greenhouse Gas, May be Underestimated, Smithsonian Magazine, November 2013 (link / cached copy)

Anthropogenic Emissions of Methane in the United States, S.M. Miller et al., PNAS 110, pp. 2018-22 (2013)  (link / cached copy)

Methane Leaks from North American Natural Gas Systems, A.R. Brandt et al., Science 343, pp. 733-5 (2014) (link)