Excerpted from a post titled "The Unclear Origins of Oil" on Kevin Kelly's CT2 (Conceptual Trends and Current Topics) blog:
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Read the current bulletinOn June 20, a briefing about straw-bale construction organized by the Environmental and Energy Study Institute (EESI) was held in the Russell Senate Office Building.
A graphic from The Oil Drum — Gigatons per Year of Cement Produced:
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Read the current bulletinGreasy Socks and Certifications