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1、高楼大厦与环境(Skyscrapers and Environment)高楼大厦与环境in the late I960 s, many people in north america turned theirattention to environmental problems, and newsteel-and-glass skyscrapers were widely criticized. ecologists poin ted out that a cluster of tall build ings in a city ofte n overburde ns public tran
2、sportati on and park ing lot capacities.skyscrapers are also lavish consumers, and wasters, of electric power. in one rece nt year, the additi on of 17 millio n square feet of skyscraper office space in newyork city raised the peak daily demandfor electricity by 120, 000 kilowatts-e no ugh to supply
3、 the en tire city of alba ny, n ewyork, for a day.glass-walled skyscrapers can be especially wasteful. the heat loss through a wall of half-inch plate glass is more than ten times that through a typical masonry wall filled with insulation board. to lessen the strain on heat ing and air-c on diti oni
4、ng equipme nt, builders of skyscrapers have beg un to use double-glazed pan els of glass, and reflective glasses coated with silver or gold mirror films that reduce glare as well as heat gain.however, mirror-walled skyscrapers raise the temperature of the surro unding air and affect n eighbori ng bu
5、ild in gs.skyscrapers put a severe strain on a city s sanitationfacilities,too. if fully occupied, the two world trade center towers in new york city would alone gen erate milli ongallo ns of raw sewage each year-as muchasa city the size of stanford,connecticut , which has a population of morethan 1
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