Weliveintheworldeveryday.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.
Whatisnature?It'severythingthatexistsintheworldindependentlyofpeople,suchaspantsandanimals,earthandrocks,andtheweather.
Nowmoreandmorepeoplearefocusingonthenature.Itisnodoubtthatthenatureisimportanttoeveryhumanbeing.Nonature,nolife.Becauseofthesuppliesofthenature,wehavelivedhappilyforalongtime.Andwestartedtogaineverythingavailablefromthenature.Andthislastedsolongatime.Today,peoplehavediscoveredthatthenaturearoundisgettingworseandworse.
Whatisthreateningthenature?Airandwaterpollution,overharvestingofplantandanimalspecies,overpopulationandsoon.Overpopulationisthebiggestsourceofpollution.Let'stakeoverpopulationasanexample.
Whatdoesoverpopulationfeellike?Whenwemoveslowlythroughthecityinatazi.Whenweenteracrowdedslumdistrict.Whenthetemperatureishighandwhentheairisthickwithdustandsmoke.Thestreetsarecrowdedwithpeople.Thestreetsseemalivewithpeople.Peopleeating.Peoplewashing.Peopletalking.Peoplesleeping.Peoplevisitingeachother,arguingandscreaming.Peoplerelievingthemselves.Peoplepushingtheirhandsthroughthetaxiwindows,begging.Peopleleadinganimals.People,people,people,people.Aswedriveslowlythroughthecrowd,soundingthetaxi'shorn,thedust,heat,noiseandcookingfiresmadeitlikeascenefromhell!Iadmit,frightening.
Tothenature,overpopulationisabigproblem.Morepeople,morepollution.Andthebigpopulationisthreateningthenatureeverysecond.
Therapidriseinworldpopulationisnotcreatingproblemsonlyforthedevelopingcountries.Thewholeworldfacestheproblemthatrawmaterialsarebeingusedupatanincreasingrateandfoodproductioncannotkeepupwiththepopulationincrease.Peopleinrichcountriesmaketheheaviestdemandsontheworld'sresources,itsfood,fuelandland,andcausethemostpollution.AbabybornintheUnitedStateswilluseinhislifetime30timesmoreoftheworld'sresourcesthanababyborninIndia.Unlessallthecountriesoftheworldtakeunitedactiontodealwiththepopulationexplosiontherewillbemoreandmorepeoplefightingforashareoflessandlessland,foodandfuel,andthefuturewillbringpoverty,miseryandwartousall.
Formostofthedevelopingcountries,itisagoodideatocontrolthepopulationgrowth.Forexample,Chinahascarriedoutbirthcontrolforyears.Andthisplanhasagreateffectontheworldpopulation.
Ifthepopulationcontinuestoincrease,iftheairandwatercontinuetobepolluted,ifwedon'tdosomethingtoprotectwild-plantandwildlifespecieswillbedeclining.Speciesandbiologicalcommunitieshavedifficultyadaptingtochange.Economicopportunitiesandthequalityoflifeoffuturegenerationsarealsoputatrisk.Byprotectingnature,weprotectourselves.
Let'sunitetogether,handinhandwestandallacrosstheland.
Wecanmakethisworldinwhichtolive.Handinhand.Controlthepopulationgrowth.Takegoodcareofournature.
Hello:
everyone!NowIwanttotalkaboutabeatifulworld!
WhenIwasyoung,IalwaysdreamedthatIlivedinabeautifulcountry.Thereweremanyflowersandtreesaroundourcity.Wecounldhearthebirdssingingandseethechildrendancing.Thestreetswereclearandthetheairwasveryfresh!Howniceitwas!Butthatonlywasadreamofmine!HowIwishthatitwouldbecometrue!SoIthinkweshoulddosomethingtoprotectourenvironment.Everyoneshouldmakeacontributiontoprotecttheenvironment.
Takingcareofourenvironmentisveryimportant.Whereveryoulive,youcandosomethingaroundyourneighbourhood.
Haveyoueverthrownanylitterontotheground?Haveyoueverdrawnpicturesonpublicwalls?Haveyoueverspatinapublicplace?Haveyouevercutdowntrees?Ifyouranswersare"No",itmeansthatyouhavealreadyhelpedprotectourenvironment.
Itisourdutytokeepourenvionmentcleanandtidy.Youmightaskyourself,"HaveIeverpickedupsomerubbishandthrownitintoadustbin?HaveIevercollectedwastepaperorbottlesforrecycling?HaveIeverplantedanytreesorflowersinornearmyneighbourhood?"Ifyouranswersare"Yes",itmeansthatyouhavealreadydonesomethingusefultoimprovetheenvironment.
NowIwanttosay:Let'sdoourbesttomakeourworldmorebeautiful!