英语演讲【编辑最新精选】.docx

英语演讲

第一篇：英语演讲EnvironmentismytopconcernWeliveintheworldeveryday.Weeatfood,drinkwater,wearclothes,watchTV,usecomputersandsoon.Weareproducingwasteeverymoment.Generallyspeaking,therearefoursortsofwaste.Theyarematerialwaste,organicwaste,inorganicwasteandpoisonous&harmfulwaste.Now,wearegoingtotalkabouteachsortofwasteonebyone.Materialwaste:itmeansthewasteofsubstanceorthingsfromwhichsomethingelsecanbemade.Forexample,peoplethrowawaytheusedmetalproductsandbuyanewone,sotheoldmetalwasteaccumulates.Atlast,theybecomewaste.Forexample,whenpeoplefinishreadingnewspaper,thepaperwillbecomewaste.Whentheglassisbroken,italsobecomeswaste.Nobodywantstouseabrokenwindowordrinkwithabrokenglassorwearapairofbrokenglasses.Onceitisbroken,itbecomeswaste.Therateofusingplasticsisincreasingdaybyday.Peopleuseplasticbagsbecausetheyareconvenient.Whentheygethome,theythrowtheplasticsway,payingnoattentiontotheenvironment.Themoreconvenienceplasticsbringstous,themoreplasticwasteisproduced.Thisiscalled“whitepollution”asmostplasticsarewhite.Someofourproductsweuseeverydayaremadeofrubber,justlikethetyresandthebottompartofourshoes.It’struethatrubberplaysanimportantroleinourlife.However,italsobringsussometroublewhenithasbeenusedforalongtimeandbecomesold.Theoldtyresbecomewastebecauseitcan’tbreakdownbynature.Thisisreallyabigproblem.Organicwaste:itreferstowastefromlivingthings,includingwastefromanimals,plantsandpeople.Somepartsofvegetablesarethrownawayaswastebecausetheydon’ttastegood.Inthepast,peoplecookedtheirfoodusingburningcoal,sotherelefttheburnedcoal,whichisuseless,likethethrownvegetables.Allthissortsofwastecontainorganism,soitiscalledorganicwaste.Actually,wealsohaveinorganicwaste,theoppositetoorganicwaste,includingbuildingwaste,brokenpotteryandchina,andcinder.Thelastpartisharmfulandpoisonouswaste,suchasusedbatteries,electricalapparatusandmedicalsupplies.ComputersandTVsetsareonepartofelectricalapparatus.Yousee,theoldelectricalapparatuscansetoffsomedangerousraysandmakethesoilharder,evendamagetheundergroundwater.M