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绿色家园,环保先锋_高中作文_4

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绿色家园,环保先锋

本文是关于高中作文的绿色家园,环保先锋,感谢您的阅读!

Weliveintheworldeveryday.WeeatfooddrinkwaterwearclotheswatchTVusecomputersandsoon.Weareproducingwasteeverymoment.

Generallyspeakingtherearefoursortsofwaste.Theyarematerialwasteorganicwasteinorganicwasteandpoisonous&harmfulwaste.Nowwearegoingtotalkabouteachsortofwasteonebyone.

Materialwaste:itmeansthewasteofsubstanceorthingsfromwhichsomethingelsecanbemade.Forexamplepeoplethrowawaytheusedmetalproductsandbuyanewonesotheoldmetalwasteaccumulates.Atlasttheybecomewaste.Forexamplewhenpeoplefinishreadingnewspaperthepaperwillbecomewaste.Whentheglassisbrokenitalsobecomeswaste.Nobodywantstouseabrokenwindowordrinkwithabrokenglassorwearapairofbrokenglasses.Onceitisbrokenitbecomeswaste.Therateofusingplasticsisincreasingdaybyday.Peopleuseplasticbagsbecausetheyareconvenient.Whentheygethometheythrowtheplasticswaypayingnoattentiontotheenvironment.Themoreconvenienceplasticsbringstousthemoreplasticwasteisproduced.Thisiscalled

whitepollution

asmostplasticsarewhite.Someofourproductsweuseeverydayaremadeofrubberjustlikethetyresandthebottompartofourshoes.It

struethatrubberplaysanimportantroleinourlife.Howeveritalsobringsussometroublewhenithasbeenusedforalongtimeandbecomesold.Theoldtyresbecomewastebecauseitcan’tbreakdownbynature.Thisisreallyabigproblem.

Organicwaste:itreferstowastefromlivingthingsincludingwastefromanimalsplantsandpeople.Somepartsofvegetablesarethrownawayaswastebecausetheydon

ttastegood.Inthepastpeoplecookedtheirfoodusingburningcoalsotherelefttheburnedcoalwhichisuselesslikethethrownvegetables.Allthissortsofwastecontainorganismsoitiscalledorganicwaste.

Actuallywealsohaveinorganicwastetheoppositetoorganicwasteincludingbuildingwastebrokenpotteryandchinaandcinder.

Thelastpartisharmfulandpoisonouswastesuchasusedbatterieselectricalapparatusandmedicalsupplies.ComputersandTVsetsareonepartofelectricalapparatus.Youseetheoldelectricalapparatuscansetoffsomedangerousraysandmakethesoilharderevendamagetheundergroundwater.MobilephonesareasdangerousascomputersandTVsets.AsweknowX-rayscanbeusedtoexaminepatientsbuttheX-raysmachinesaredangerouswhentheyarethrownawaywithoutanytreatment.Theycan

tbeusedtotreatthesickbuttheystillcangiveoffrays.Forthenormalpeoplethe

ycanbedangerous.Sowemustthinkaboutthisproblem.

Aswastehasfoursortswecansortthemintoeachsortthattheybelongto.It’sconvenienttotreatthemaftertheyaresorted.Thenwecandealwiththemsortbysort.Wehavethoughtoutsomemethodslikestoringtheminordertochangethemintoplantfoodorburningtheminahugestoveandusetheheattomakeelectricity.Forthefirstwaythechangerateismuchtoolowanditmaypollutetheundergroundwater.Forthesecondoneofcourseit

swonderfulifit

seasytobetriedout.Buttobuildsuchahugestovewillcosttoomuch.Notagoodmethod.Nowyouseetreatingwasteisnotaneasyjob.

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