《环境保护英语》PPT课件.ppt

EconomicDevelopmentandEnvironment,1、Intruduce,Todeveloptheeconomy,butalsoprotecttheenvironment,whichcanbalancethetwo?Itcanbesaidthatthepremiseoflimitedresources,humansurvivalandenvironmentalprotectionandeconomicdevelopment,atleastintheshorttermCunZaiZhebetweenthecontradictions.,2、situation,Thedevelopmentofmankinditselfhaslongbeenconfinedtoareasofeconomicdevelopment,andeconomicdevelopmentofthenaturalenvironmentandnaturalresourcestorelyonthesupportoftheproductiveforces,andinevitablythequalityoftheenvironmenthaveanegativeimpact.Halfofthe20thcentury,thedevelopmentofhumanityhasbeenaglobalthreattotheenvironmentforthesurvivalofhumanbeings.,3、QuestionResourcecrisis,Oilresourceswillbeexhaustedwithinageneration.Itsreservesarenotunlimited,easilyexploitedreserveshasbeenlittledevelopmentoftheremainingreservesofmoreandmoredifficulttocontinuetodeveloptosomeextentlosevalue,theenergycrisisoccurred.,Althoughcoalthanoil,butnotinexhaustible.Insteadofoilandotherenergyresources,inadditiontocoal,thelarge-scaleuse,littlecan.Althoughtheinexhaustiblesolarenergy,buttoocostlyandtimeinagenerationabletorapidlydevelopandwidelyused.Othernewenergysourcesisalsotrue.,Forestresourcesisthemainadvantageoftheresourcesofthehuman.Rapideconomicdevelopmenttheworldsforestsinthelargerenvironmentisalotofdevelopment.Forestresourcestoreducetheinfluencebymanyfactors,butleadtoreductionofforestareaisthemostimportantfactoristhedevelopmentofforestproductionofwoodandforestproducts.,Fractureofroots,Suchalargeroot,Sincealargenumberofconsumerconsumptionofwoodandforestproducts,thusreducingtheglobalforestareaisnotonlyacountrysinternalproblems,ithasbecomeaninternationalissue.,Thereisnodoubtthatdevelopedcountriesarethelargestgroupoftimberconsumption.Ofcourse,partofthewoodconsumptionindevelopingcountriesshouldnotbeignored.,ProblemEnvironmentalPollution,Economicdevelopmentledtoextensiveuseofenergy,itbringsmankindcivilizationandprosperity,butalsothesurvivalofthehumanenvironmenttoagreatdisaster.,AcidRain,Heavyuseofenergytoenhancethehumanmaterial,butalsocausedunexpecteddisaster,thesecondcauseofacidraindamage,almostallovertheworldgreatharm.,whatapoorfish,Somepeoplethinkthatacidrainisasilentcrisis,butalsothehistoryoftheimpactofourmostseriousenvironmentalthreat,isaninvisibleenemytoo.Thisisnotalarmist.,II.Greenhouseeffect,Thereisnodoubtglobalwarmingisafact.Globalwarmingisveryseriousconsequences,suchasglaciersmelt,sealevelrise,desertification,totheecologicalsyste