环境保护(Environment)

Theonlyearth&theonlybeing!Warning!OurevironmentisinemergencyPlantisimportantfortheeatthForestisthemostconcentratedplaceofplantsandthetropicalrainforestcontainstheuncountablekindsofspecies.RainforestisthelungoftheearthThisisthedistributionoftherainforestonEarthTherearethreemainreinforestonEarth:oneisinAfrica,anotheroneisinSouth-easternAsionandthelastoneisinSouthAmerica.Whatcanrainforestdo?•ecosystemservices:Rainforestsplayanimportantroleinmaintainingbiologicaldiversity,modulatingprecipitation,infiltrationandflooding,increasingscientificknowledgeandinthespiritualwell-beingofhumans.Suchecosystemservicesareofusetohumanswithouttheneedforanymodificationormanagementoftheforestyourself.•Socialservices:Conversiontoagriculturalland,Cultivatedfoodsandspices,Pharmaceuticalandbiodiversityresource,TourismSomekindsofthespeciesNow!Therainforestisbeingdestroyed!Onereasonistheforestfire.Theotheroneisthehuman.HumandestructionofrainforestThisfirewasmadebypeoplewholivedthere!TheywantedtoexploitmorearablelandtosupplythemwithfoodandalsomanypeoplewantedtomakemoneybythecharcoalleftafterthefireThicksmokehangovertheforestThisseriesofimagesshowsaerosolsovertheAmazoneachSeptemberfor4burningseasonsCause•Corruptionofgovernmentinstitutions•Theinequitabledistributionofwealthandpower•Populationgrowth•Overpopulation•Urbanization•Globalizationisoftenviewedasanotherrootcauseofdeforestation•Thisshowthetransformationfromforesttofarm.•ThewhitesquareistheforestdestroyedThisistheroadinforestPovertyDevelopedcountries’requestofvaluabletimberHarmnessofSuchDeforest•Atmosphericproblems:greenhouseeffect•Soilproblem:soilloss,desertificationoflandanddesertencroachmen•Ecologicalproblem:biodiversitydeclineTheend