…Online at URL https://www.bts.gov/ntl/. 34US Department of Transportation (1997) National Transportation Statistics 1997 (Washington, DC: Bureau of Transportation Statistics). Online at https://www.bts.gov/btsprod/nts/. 35J. H. Ausubel and C. Marchetti (1996) ‘Elektron’, Daedalus 125, 139-169. 36M. Jufer…
…production on private land in the southern United States — where sunlight, moisture, and good soils for forests abound. Today, the American South — which Bruce Zobel of North Carolina…
…acquired 200,000 tons of grain annually for its one million inhabitants, most of it shipped from Africa, Sardinia and Sicily. What marine transportation did in the classical world, the steam…
…a cost-benefit analysis, the conclusion might be that no social response is warranted, if avoiding the problem costs 2 percent and incurring the problem costs only 1 percent. Costs could…
…recently. Asian households using wood- and dung- fueled ovens experience indoor particulate concentrations greater than one hundred times the WHO standards. Another problem of intense local concern is disposal of…
…ETH-Lausanne, Switzerland, 30 August 1996. URL https://sentenext1.epfl.ch/swissmetro. [18] U.S. Department of Transportation, Compendium of Executive Summaries from the Maglev System Concept Definition Final Reports, DOT/FRA/NMI-93/02, pp. 49-81, March 1993. On-line at https://www.bts.gov/smart/cat/CES.html…
…homepage: https://www.elsevier.com/locate/estoc Scrap Recycling and Processing, Institute of Scrap Recycling Industries, A bi-monthly trade journal for the scrap reprocessing industry. Homepage: https://www.isri.org/pubcat00.htm#scrapmag Selected Data Sources (General and Specific) General Organization for…
…oil. Conflict might arise between the rich, developed countries of the so-called North and those of the poorer South. The South wants to increase its use of carbon and continue…
This paper was first published in 1992 in the Annual Review of Energy and Environment, https://www.annualreviews.org. The paper posted here was scanned and re-typeset in HTML. Every effort was made…
…All natural resources are in fact free. What costs is mobilizing the resources and making the products flow to the consumer in the proper form and amount. Here the solar…