…began sparing wild animals, that is, nature. Today an average American annually eats 53 kgs of pork, beef, and lamb without hunting any of nature’s animals.[8] Americans also eat 27 kgs…
…the Census. What did live in the oceans? What does live in the oceans? What will live in the oceans? The three questions mean the program would have three components….
…is reported by the World Bank in, the annual World Development Report, (New York: Oxford University Press). Urban and rural populations are disaggregated in the United Nations Development Programme’s annual…
…output and that in a different climate superimposed on today’s farm or city. Because today’s activities are adapted to today’s climate, the estimated impacts of climate change are usually losses….
…Sources (rounded estimates): 6000 B.C., World Conservation Monitoring Centre, World Resources Institute, and World Commission on Forests and Sustainable Developments; 1990’s, U.N. Food and Agriculture Organization Global Fibre Supply Model…
…farmer reaches the average yield of today’s USA corn grower, the ten billion people then likely to live on Earth will need only half of today’s cropland. This will happen…
…comment. Most obviously, the Russian Revolution and World War II literally drove Russians back into the woods to collect their fuel. Yet, these extreme shocks were later absolutely absorbed. By…
…food webs, limiting factors, energy and material budgets) and rules (e.g., Cope’s rule that increase in body size confers adaptive advantages, the least work principle). Also valuable might be an…
…average yield of today’s US corn grower, ten billion people will need only half of today’s cropland while they eat today’s US calories. The land spared exceeds the Amazonia. This…
…change in the Third World. Journal of Economic Literature XXVI:1685-1728. Lutz, W., ed. 1994. The Future of World Population Growth: What Can We Assume Today? London: Earthscan. Marchetti, C. 1985. Nuclear plants and nuclear…