…ha-1 (kilograms per hectare). For prevention of eutrophication and 95% safety, Europe has established incremental critical loads of 3-10 kg ha-1 (with standards of less than 3 and more than 10 in…
The following paper was published in Foreign Affairs (November/December 2000, Vol 79, Number 6, pp. 127-144). It is posted with the permission of the editors. Copyright 2000 Council on Foreign Relations SKINHEAD EARTH?…
…per person per day, sample of studies. Sources of data: Katiyar and Ohta 10, Ofreuil and Salomon8,, Szalai et al. 14, US Department of Transportation 33,34, Wiley et al .12,, Balzer 13. Other data compiled from…
…not exhaust ourselves chasing phantoms, when the race before us is anyway long and hard. First, I offer a few words to describe the two multipliers of resource and environmental factors: Population and GDP per…
…m.b.H), Die offizielle Transrapid Homepage, URL https://www.mvp.de/, Munich, Germany, 1997. [16] MIKA, J., Transrapid Informations Resourcen Homepage, URL https://transrapid.simplenet.com/, Germany, 1997. [17] Jufer, M., Swissmetro: Wissenschaftliche Taetigkeit der ETH-Lausanne und Zuerich, Hauptstudie-Zwischenbericht Juli 1994-Juni 1996, ETH-Lausanne, Switzerland,…
…1996. Dietz, T. and E. A. Rosa. 1994. Rethinking the environmental impacts of population, affluence, and technology. Human Ecology Review Summer/Autumn 1, 277–300. Elliott, G. K. 1984. “Forests.” Encyclopedia Britannica, 15th ed. 7: 542….
…electricity consumption will l ead to ultra-high voltage lines (for example, + 2 megavolts) with higher capacity (for example, 5 or 10 gigawatts) and continental range. The great advantage of continental and intercontinental connections is that…
…the initial population No(t) by We also replace a with Dt, the characteristic duration, that is, the time it takes the population N(t) to grow from 10% to 90% of the limit k. Dt is related…
…a natural gas policy that is really about natural gas and not the “oil & gas” policy, which is an increasingly uncomfortable hybrid. We are going to use 200 million…
…Press, 1992). Kenneth E. Boulding, Conflict and Defense: A General Theory (New York: Harper, 1962). Leo Szilard and Barton J. Bernstein, The Voice of the Dolphin and Other Stories (Stanford: Stanford University Press, 1992)….