november 14

november 14 - 11/14/06 URBAN RESOURCE AND ENVIRONMENTAL...

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11/14/06 URBAN RESOURCE AND ENVIRONMENTAL PROBLEMS Few trees, shrubs, and natural vegetation Little production of food Warmer (urban heat island) Water supply and flooding problems Air pollution, water pollution, garbage, and solid waste Excessive noise Loss of rural land and wildlife habitat The ecocity (green city) Pollution prevention, recycling, and efficient use of energy Natural vegetation Greenways Local production of food People-oriented city Dealing with biodiversity Extinction rates Before (.0001 %/year) After (.1% to 1%/year) Aldo Leopold once said, “to keep every cog and wheel is the first precaution of intelligent tinkering” Is it ethically important to preserve wild species? Intrinsic value of species Plants vs animals Species vs species Preserving Air quality Photochemical smog (brown air smog) Primary and secondary pollutants Dominated by O-3 Acid deposition Wet vs. dry deposition Respiratory problems
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november 14 - 11/14/06 URBAN RESOURCE AND ENVIRONMENTAL...

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