84人与自然专题

AirpollutionWaterpollutionPeopleandanimalsPeopleandplantsAirpollution●Theconceptofairpollution●Airpollution(1)Industry(2)Thestoveheatingboilers(3)Transportation●Hazardofairpollution(1)Tohumanhealth(2)Toanimalsandplants(3)Toweatherandclimate●ThecontrolmeasuresIndustryThestoveheatingboilersandtransportationThecontrolmeasuresEveryoneshouldtryhisbest!Lackofwater•Northdon’thaveenoughwater•SouthmuchpollutionNorth•Inthenorth,thereisn’tenoughwaterandsomefieldsturndry!SouthThereismuchpollution.Somefactoriespouralotofpollutantsintothenaturalriver.Themainpollutantsaresolids,organicmatter,oil,volatilephenol,cyanide,sulfide,mercury,cadmium,chromium,lead,arsenicandsoon.Insomeplace,peopleliveinharmonywithnature.WecanseethecleanwaterProtect•Protecttheresourceofdrinkingwater•Controlthewastewaterfromfactoriesandbigcities•Everybodymayknowntheimportanceofwater•DoourbestHumansandplants•Thepresentsituation•Theimportanceofplants•MeasurestoprotectplantsHumansdestroythenaturecasuallyRaretreesaredamagedTheyewtreesThePutuoCarpinusTreePriestley’sdiscoveryTheexperimentPhotosynthesisHurtingtheplantsharmsourselvesHowtoprotecttheplants●Thegovernmentshouldcoordinatetheprotectionanddevelopment.●Weordinarypeopleshouldtakeactionstoprotecttheplants.AmorebeautifulworldPeopleandAnimalsThesituation-----disappearingfastReasons-----human’shuntandanimal’slivingenvironmentbeingdestroyedSolutions-----government,socialorganizationsandeveryonepeople'scruelhuntpeople'sdestroyinganimal'slivingplaceLookattheireyes….Howpoor…harmonyrelationship