SOC 206 Lecture Notes - Lecture 18: Megacity, Light Pollution

• School: University at Buffalo
• Department: Sociology
• Course: SOC 206
• Professor: Mele Christopher

Document Summary

Half of the (cid:449)orld"s people li(cid:448)e i(cid:374) ur(cid:271)a(cid:374) areas: urbanization is the creation and growth of urban areas, urban growth is the rate of increase of urban populations. 79& of a(cid:373)eri(cid:272)a(cid:374)s a(cid:374)d 5(cid:1004)% of the (cid:449)orld"s people live in urban areas. Pushed from rural areas to urban areas. Pulled to urban areas from rural areas: four major trends. Proportion of global population living in urban areas is increasing. Number and size of urban areas is mushrooming. Megacities: more than 10 million 18 cities. Hypercities: more than 20 million tokyo. Urban growth is slower in developed countries. Poverty is becoming increasingly urbanized; mostly in developing countries. Urbanization has disadvantages: huge ecological footprints. Urban populations o(cid:272)(cid:272)up(cid:455) (cid:1006)% of the (cid:449)orld"s area (cid:271)ut (cid:272)o(cid:374)su(cid:373)e 75% of the resour(cid:272)es and resulting high waste output: lack vegetation. Vegetation destroyed buildings, parking lots, roads. No absorption of pollutants, shade, aesthetic: water problems. Kooyanisquatsi: concentrate pollution and health problems, excessive noise, different climate and experience light pollution.