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CT: At present there are four important energy resources: petroleum, coal, natural gas, and uranium-235. In the future oil shale and uranium-238 will probably join this list. On the demand side, the model specifies five demand categories: electricity, industrial heat, residential heat, and two transport categories.
S: http://www.brookings.edu/~/media/projects/bpea/1973%203/1973c_bpea_nordhaus_houthakker_solow.pdf (last access: 2 March 2015)
N: 1. energy (n): 1590s, “force of expression,” from Middle French énergie (16c.), from Late Latin energia, from Greek energeia “activity, action, operation,” from energos “active, working,” from en “at” + ergon “work, that which is wrought; business; action”.
Used by Aristotle with a sense of “actuality, reality, existence” (opposed to “potential”) but this was misunderstood in Late Latin and afterward as “force of expression,” as the power which calls up realistic mental pictures. Broader meaning of “power” in English is first recorded 1660s. Scientific use is from 1807. Energy crisis first attested 1970.
resources (npl): From resource, 1610s, “means of supplying a want or deficiency,” from French resourse “a source, spring,” noun use of fem. past participle of Old French resourdre “to rally, raise again,” from Latin resurgere “rise again” (see resurgent). Resources “a country’s wealth” first recorded 1779.
2. energy resource: Renewable (sun, sea, wind) or non-renewable (coal mine, gas well, oil well) resource used for obtaining an energy source.
3. “Energy Resources” is NOT the same thing as “Types of energy”.
“Types of energy” means “kinetic energy”, “chemical energy” and so forth.
“Energy Resources” is about ways of getting energy so we can generate electrical power.
4. resources: concentrations of naturally occurring solid, liquid, or gaseous materials in or on the earth’s crust in such form that economic extraction of a commodity is currently or potentially feasible.
5. energy resources: term rarely used in the singular (energy resource).
S: 1. OED – http://www.etymonline.com/index.php?allowed_in_frame=0&search=energy&searchmode=none; http://www.etymonline.com/index.php?allowed_in_frame=0&search=resource&searchmode=none (last access: 3 March 2015). 2. http://www.businessdictionary.com/definition/energy-resource.html (last access: 2 March 2015). 3. http://www.kids.esdb.bg/usesources.html (last access: 2 March 2015). 4 & 5. TERMIUMPLUS.
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