VOA慢速英语(翻译+字幕+讲解):全球变暖,人口增长和无限制发展威胁非洲物种

可可听力网 2014年09月03日 08:21:55
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      FromVOALearningEnglish, thisistheAgricultureReport.

      ClimateresearchersmetrecentlyinCameroontotalkaboutthreatstoAfrica'slandandanimals. Theysaidtheybelievethecontinentmayloseasmuchas 30 percentofitsanimalandplantspeciesbytheendofthiscentury. Theyblametheexpectedlossesonthewarmingofearth, populationgrowthandunrestricteddevelopment.
      Theresearchersrepresent 20 African, AmericanandEuropeanuniversities. TheysaycountriessouthoftheSaharandesertarelosingforestfasterthananyplaceonearth. WoodcompaniesarecuttingdowntreestomeetgrowingdemandfromChina, EuropeandtheUnitedStates.

      Thepopulationisgrowingat 3 percentperyear. Therearenowhomes, factoriesandfarmsonlandthatoncewasforest. ManyAfricananimalsandplantsnolongerhaveaplacetoliveasaresult. Climatechangealsocontinuestothreatenspecies.

      ThomasSmithisthedirectoroftheCenterforTropicalResearchattheUniversityofCalifornia.

      "Witha 1.5 degreeriseinglobaltemperature, Africamaylose 30 percentofitsanimalsandplants. AndunfortunatelywiththeincreaseinCO2 thathasbeennowestimatedtobeuptothreedegreesintermsofrisingglobaltemperatures -- thatmeanswemaylose 40 percentofallmammalspeciesinAfricabytheendofthecentury," saidSmith.

      TheAfricanchimpanzeeisonesuchanimalatrisk. MaryKatherineGonderisaprofessorintheDepartmentofBiologyatDrexelUniversityinPhiladelphia, Pennsylvania.

      ShestudieschimpanzeesintheCongoBasin. Shesaystheforesthomeisdisappearing. Shealsosayshunterscontinuetokilltheanimalstosellasfood.

      "Whatwillhappenoverthenext 20 years, thedistributionofthosechimpanzeeswillchange. Theirhabitatwillchangefundamentallyandtheywillnolongerbearound. Soitisarealthreat. Thehabitatforthosechimpanzeeswillbegone,"saidGonder.

      ThomasSmithoftheUniversityofCaliforniasaysit'spossibletodevelopAfricaandcarefortheenvironmentatthesametime.

      "Withtheseenormouschallenges, weneedtodevelopgreeneconomies. Weneedtomakesurethatthedevelopmentwedoissustainable. Forexample, weareworkingwithpartiesheretodevelopnewwaysofprovidinggreenjobs, forexampleareasthatyoucanpreserve, [like] forests, andatthesametimeproducecropsthatareappropriateforpeopletosellandtoeat.

      Soweneedtobethinkingabouthowtopreservethenaturalprocessesandatthesametimeprovidefortheeconomicneedsofthecountry," saidSmith.

      TheCongoBasinareaofwesternandcentralAfricahasthesecondlargestequatorialrainforestintheworld. Itisimportanttolivesofmillionsofpeople.

      Andthat'stheVOALearningEnglishAgricultureReport. Formoreagriculturestories, gotoourwebsite. I'mCatyWeaver.

      VOA英文文本来自51VOA,译文由可可原创,未经许可请勿转载。

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