Therearestillmanyproblemsofenvironmentalprotectioninrecentyears.Oneofthemostseriousproblemsistheseriouspollutionofair,waterandsoil.thepollutedairdoesgreatharmtopeople’shealth.Thepollutedwatercausesdiseasesanddeath.Whatismore,vegetationhadbeengreatlyreducedwiththerapidgrowthofmoderncities.Howtoprotect/saveourenvironment/world?Theenvironmentalpollutionismoreandmoreserioustoday.Wehavenocleanwatertodrinkbecauseofwaterpollution.Andwhentreesarecutdown,someanimalsdisappear.Thereismoreandmoredirtysmokeintheair.People'shealthhasbeengreatlyaffectedbyair,noiseandwaterpollution.Manypeoplediedofdiseases.Inordertoliveabetterlife,it’stimeforustoprotectourworld.Firstly,weshouldn’tthrowawayrubbisheverywhere.Andweshouldrecycle,reduceandreusethings,forthissavesmoneyandreducespollution.Usethingsforaslongaspossible.Don’tuseplasticbags.Also,wemustplantmoretreesandstoppeoplecuttingthem.Wehopeourworldismoreandmorebeautiful.