Background reading:

"Rohstoffe und Gesellschaft" (Adobe Acrobat pdf file, ~4.2 MB)

"Von der Lagerstätte zum Konsumenten: Langfristige Energieperspektiven" (Adobe Acrobat pdf file, ~4.5 MB)

"The Future of Fossil Extractive Industries" (Adobe Acrobat pdf file, ~0.2 MB)

"Das Paradoxon der wissenschaftlich-technischen Entwicklung" (Adobe Acrobat pdf file, ~4.5 MB)

"Technology and Global Change (Book, Adobe Acrobat pdf file, ~3.9 MB)

"Industrial Ecology" (Amit Kapur and Tom Graedel, Adobe Acrobat pdf file, ~0.4 MB)

“Doing More with Less” (Adobe Acrobat pdf file, ~0.7 MB)