Therearestillmanyproblemsofenvironmentalprotectioninrecentyears.Oneofthemostseriousproblemsistheseriouspollutionofair,waterandsoil.thepollutedairdoesgreatharmtopeople’shealth.Thepollutedwatercausesdiseasesanddeath.Whatismore,vegetationhadbeengreatlyreducedwiththerapidgrowthofmoderncities. Toprotecttheenvironment,governmentsofmanycountrieshavedonealot.Legislativestepshavebeenintroduce (共 1349 字) [閱讀本文] >>