空气污染(Air pollution)

详细内容

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airpollutionesfromfactories,powerstationsandcars.chemicalsinthesmokefrompowerstationscausealotofdamage.theycantravelhundredsofmilesinthewindbeforefallingtothegroundintherain.butthis"chemicalrain"graduallydestroystreesintheforestsandkillsfishinthelakes.ingermany,over50%ofthecountry＇streeshadbeendamagedbytheyear1986.

timeandtimeagainthereareseriousaidentsthatpollutetheair.in1986therewasabadaidentatanuclearpowerstationinrussia.acloudofradiationcrossedthewholeofeurope.itissaidthat125,000peoplediedinrussiaasaresultofillnessescausedbythisaident.

in1984therewasaseriousaidentatafactoryinindiaandacloudofdangerousgascoveredthetownofbhopal.over2,500peoplewerekilledthatnight,andhundredsofthousandsofpeoplewereinjured.manyoftheinjuredlosttheirsight.