英语演讲环境保护英语PPT

EnvironmentProtection1、IntruduceTodeveloptheeconomy,butalsoprotecttheenvironment,whichcanbalancethetwo?Itcanbesaidthatthereexistthecontradictionsisnotonlyashort-termproblemalsoalong-termproblem.Ononehand,humanmustdeveloptheeconomic,buttheeconomicdevelopmentislimitedbytheenvironmentalprotectionontheotherhandwhenpeoplepaymoreandmoreattentiontoit.Wemustlookattheissuedialectically.2、situationThedevelopmentofmankinditselfhaslongbeenconfinedtoareasofeconomicdevelopment,anddevelopmentofthenaturalenvironmentandnaturalresourcestorelyonthesupportoftheproductiveforces,andinevitablythequalityoftheenvironmenthaveanegativeimpact.Halfofthe20thcentury,thedevelopmentofhumanityhasbeenaglobalthreattotheenvironmentforthesurvivalofhumanbeings.3、Question1——ResourcecrisisOilresourceswillbeexhaustedwithinageneration.Itsreservesarenotunlimited,easilyexploitedreserveshasbeenlittledevelopmentoftheremainingreservesofmoreandmoredifficulttocontinuetodeveloptosomeextentlosevalue,theenergycrisisoccurred.Althoughcoalthanoil,butnotinexhaustible.Insteadofoilandotherenergyresources,inadditiontocoal,thelarge-scaleuse,littlecan.Althoughtheinexhaustiblesolarenergy,buttoocostlyandtimeinagenerationabletorapidlydevelopandwidelyused.Othernewenergysourcesisalsotrue.Forestresourcesisthemainadvantageoftheresourcesofthehuman.Rapideconomicdevelopmenttheworld'sforestsinthelargerenvironmentisalotofdevelopment.Forestresourcestoreducetheinfluencebymanyfactors,butleadtoreductionofforestareaisthemostimportantfactoristhedevelopmentofforestproductionofwoodandforestproductslikepaperandbuildingmaterials.Sincealargenumberofconsumerconsumptionofwoodandforestproducts,thusreducingtheglobalforestareaisnotonlyacountry'sinternalproblems,ithasbecomeaninternationalissue.Accordingtostatistics,inthe21stcentury,theworld'sforestshaveadecreasingtrend,andthedemandforwoodisincreasing.Thereisnodoubtthatdevelopedcountriesarethelargestgroupoftimberconsumption.Ofcourse,partofthewoodconsumptionindevelopingcountriesshouldnotbeignored.Question2——EnvironmentalPollutionEconomicdevelopmentledtoextensiveuseofenergy,itbringsmankindcivilizationandprosperity,butalsogivethesurvivalofthehumanenvironmentagreatdisaster.Forexample——AcidRainHeavyuseofenergytoenhancethehumanmaterial,butalsocausedunexpecteddisaster,thesecondcauseofacidraindamage,almostallovertheworldgreatharm.Somepeoplethinkthatacidrainisasilentcrisis,butalsothehistoryoftheimpactofourmostseriousenvironmentalthreat,isaninvisibleenemytoo.Thisisnotalarmist.After60years,thestonestatueofGermanyhasbeenthoroughlydamagedbyacidrain.Question3——GreenhouseeffectThereisnodoubtthatglobalwarmingisveryseriousconsequences,suchasglaciersmelt,sealevelrise,desertification,totheecologicalsystemandtheseriousimpactonagriculturalproduction.Ifthesealevelrise66metersmanycoastalareaswilldisappearinthebottomofthesea.Sealevelrisethe24metersfrom1960to2010.3、WhatshouldwedoTheearthisourcommonhomeland.Goodnaturalenvironmentisthesurvivalconditionforhuman.Sowhatshouldwedotoprotectourenvironment?1.Allcountriesshouldenactstrictlawstoprotecttheenvironment.Governmentshouldstopfactoriesfrompouringwastewaterintotheriverandwastegasintotheair.2.Advocatelowcarbonlifetoreducecarbondioxideemissions.3.Reducetheuseofdisposableplastic.4.Toreducetheuseofdisposabletablewareasthatmaybelessdemandfortimber.