第第頁以自然為題的英語演講稿3篇

以自然為題的英語演講稿1

Suddenly,isunpredictable.Naturaldisastersisusuallyfierce,withgreatdestructivepower.Thedurationofalongshort.Disaster,includingalotoffactorsthatwouldcauseinjuriesanddeaths,hugepropertylossesandaconsiderabledegreeofconfusion.Adisasterandthelongerthedurationoftheincident,thevictimsarethegreaterthethreat,thegreatertheimpactoftheincident.Anotherimpactofthedisastere*tentofthemainfeaturesisthatpeoplearegettingtheadequatewarning.

以自然為題的英語演講稿2

Weoftensaythattheearthisourhomelandandhumansocietycomesfromnature.Therefore,Ithinkoursocietyisapartofnature.Peopleshouldliveharmoniouslywithnature.Allthematerialsweneedtolivewithcomefromnature,butweshouldalsorepaythenature,ratherthanblindlysolicit.Fore*ample,weshouldplantmoretreesandtakeactionstoprotecttheenvironment.Inaddition,wehavetocontrolpopulation.Duetoe*cessivepopulationgrowth,humanbeingsrequiremuchmorenaturalresourcesthanbefore,whichleadtoe*cessivepressureonnature.Inordertolong-termdevelopment,thepopulationgrowthmustbecontrolled.Weallcomefromnaturewhichisourhomeland,sowemusttrybesttoprotectit.

以自然為題的英語演講稿3

WhatisnatureItseverythingthate*istsintheworldindependentlyofpeople,suchaspantsandanimals,earthandrocks,andtheweather.

Nowmoreandmorepeoplearefocusingonthenature.Itisnodoubtthatthenatureisimportanttoeveryhumanbeing.Nonature,nolife.Becauseofthesuppliesofthenature,wehavelivedhappilyforalongtime.Andwestartedtogaineverythingavailablefromthenature.Andthislastedsolongatime.Today,peoplehavediscoveredthatthenaturearoundisgettingworseandworse.

WhatisthreateningthenatureAirandwaterpollution,overharvestingofplantandanimalspecies,overpopulationandsoon.Overpopulationisthebiggestsourceofpollution.Letstakeoverpopulationasane*ample.

WhatdoesoverpopulationfeellikeWhenwemoveslowlythroughthecityinatazi.Whenweenteracrowdedslumdistrict.Whenthetemperatureishighandwhentheairisthickwithdustandsmoke.Thestreetsarecrowdedwithpeople.Thestreetsseemalivewithpeople.Peopleeating.Peoplewashing.Peopletalking.Peoplesleeping.Peoplevisitingeachother,arguingandscreaming.Peoplerelievingthemselves.Peoplepushingtheirhandsthroughtheta*iwindows,begging.Peopleleadinganimals.People,people,people,people.Aswedriveslowlythroughthecrowd,soundingtheta*ishorn,thedust,heat,noiseandcookingfiresmadeitlikeascenefromhell!Iadmit,frightening.

Tothenature,overpopulationisabigproblem.Morepeople,morepollution.Andthebigpopulationisthreateningthenatureeverysecond.

Therapidriseinworldpopulationisnotcreatingproblemsonlyforthedevelopingcountries.Thewholeworldfacestheproblemthatrawmaterialsarebeingusedupatanincreasingrateandfoodproductioncannotkeepupwiththepopulationincrease.Peopleinrichcountriesmaketheheaviestdemandsontheworldsresources,itsfood,fueland

land,andcausethemostpollution.AbabybornintheUnitedStateswilluseinhislifetime30timesmoreoftheworldsresourcesthanababyborninIndia.Unlessallthecountriesoftheworldtakeunitedactiontodealwiththepopulatione*plosiontherewillbemoreandmorepeoplefightingforashareoflessandlessland,foodandfuel,andthefuturewillbringpoverty,miseryandwartousall.Formostofthedevelopingcountries,itisagoodideatocontrolthepopulationgrowth.Fore*ample,Chinahascarriedoutbirthcontrolforyears.Andthisplanhasagreateffectontheworldpopulation.

Ifthepopulationcontinuestoincrease,iftheairandwatercontinuetobepolluted,ifwedontdosomethingtoprotectwild-plantandwildlifespecieswillbedeclining.Speciesandbiologicalcommunitieshavedifficultyadaptingtochange.Economicopportunitiesandthequalityoflifeoffuturegenerationsarealsoputatrisk.Byprot