ESCI 1 Lecture Notes - Lecture 11: Urban Growth Boundary, Ecosystem Services, Smog
6 Jun 2020
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Document Summary
Urban populations are growing why: human population is growing, more people are moving from farm to city areas, rather than from cities to farms. Urbanization when people move from farms to cities today"s urban areas are spreading outwards. Sprawl spread of low-density urban or suburban development outward from an urban center. People have moved to the suburbs in search of More space, better jobs, less crime, better schools, less expensive housing: transportation few transportation options, forces people to drive cars. Driving is expensive! (about ,000/yr: pollution. Air pollutants i. e smog and acid rain. Motor oil/road salt polluting waterways runoff pollutants. Exacerbating global climate change (intensifying greenhouse effect: health, land use impacts of pollution. Sprawl promotes physical inactivity i. e driving replaces walking --> obesity. More developed land = fewer forests, fields, farmland, ranchland. But less aesthetic beauty = wildlife habitat, recreation, resource production, ecosystem services (i. e water purification, plant filters, run-off, pollination: economics.
