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1、EnvironmentProtection Weliveintheworldeveryday.Weeatfood,drinkwater,wearclothes,watchTV,usecomputersandsoon.Weareproducingwasteeverymoment.Generallyspeaking,therearefoursortsofwaste.Theyarematerialwaste,organicwaste,inorganicwasteandpoisonous&harmfulwaste.Now,wearegoingtotalkabouteachsortof
2、wasteonebyone.Materialwaste:itmeansthewasteofsubstanceorthingsfromwhichsomethingelsecanbemade.Forexample,peoplethrowawaytheusedmetalproductsandbuyanewone,sotheoldmetalwasteaccumulates.Atlast,theybecomewaste.Forexample,whenpeoplefinishreadingnewspaper,thepaperwillbecomewaste.Whentheglassisbr
3、oken,italsobecomeswaste.Nobodywantstouseabrokenwindowordrinkwithabrokenglassorwearapairofbrokenglasses.Onceitisbroken,itbecomeswaste.Therateofusingplasticsisincreasingdaybyday.Peopleuseplasticbagsbecausetheyareconvenient.Whentheygethome,theythrowtheplasticsway,payingnoattentiontotheenvironm
4、ent.Themoreconvenienceplasticsbringstous,themoreplasticwasteisproduced.Thisiscalled“whitepollution”asmostplasticsarewhite.Someofourproductsweuseeverydayaremadeofrubber,justlikethetyresandthebottompartofourshoes.It’struethatrubberplaysanimportantroleinourlife.However,italsobringsussometroubl
5、ewhenithasbeenusedforalongtimeandbecomesold.Theoldtyresbecomewastebecauseitcan’tbreakdownbynature.Thisisreallyabigproblem.Organicwaste:itreferstowastefromlivingthings,includingwastefromanimals,plantsandpeople.Somepartsofvegetablesarethrownawayaswastebecausetheydon’ttastegood.Inthepast,peopl
6、ecookedtheirfoodusingburningcoal,sotherelefttheburnedcoal,whichisuseless,likethethrownvegetables.Allthissortsofwastecontainorganism,soitiscalledorganicwaste.Actually,wealsohaveinorganicwaste,theoppositetoorganicwaste,includingbuildingwaste,brokenpotteryandchina,andcinder.Thelastpartisharmfu
7、landpoisonouswaste,suchasusedbatteries,electricalapparatusandmedicalsupplies.ComputersandTVsetsareonepartofelectricalapparatus.Yousee,theoldelectricalapparatuscansetoffsomedangerousraysandmakethesoilharder,evendamagetheundergroundwater.Mobilephonesareasd
