ANTHROP 1AA3 Lecture Notes - Lecture 10: Crop Rotation, Zoonosis, Hans Rosling
5 Apr 2017
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Optimists: doomsday model, malthus, positive checks, preventative checks. Optimists: logic-of-growth model, technology, modernity, and economic growth will solve our problems. Environmental trends: example zoonoses, myth of the (cid:498)ecological noble savage(cid:499, modern humans happening on a larger scale. Mechanized agriculture and the (cid:494)green revolution(cid:495: crop rotation, natural and chemical fertilizers, commercial seed production, winter feeding equipment. Improved transportation: countries that had regular famines prior to green revolution now had grain reserves in supply for lean years (ex. Green revolution pros: 1950 1985: world grain supplies increased nearly 3x, goal increase production to end world hunger. Green revolution cons: many subsistence farmers can(cid:495)t afford seeds, fertilizers, equipment, africa benefited least, failed to address unequal access to food and food-producing resources, technology not spread evenly. Environmental costs of green revolution: environmental degradation, of all agricultural nitrogen leaches into groundwater, loss of species variety monoculture, loss of indigenous agricultural knowledge.
