绿色家园,环保先锋_高中作文_4

来源：筏尚旅游网

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.

因篇幅问题不能全部显示，请点此查看更多更全内容

查看全文