气候变化：事实真相

　　SirDavidAttenboroughistopresentandnarrateanewlandmarkfilm,ClimateChange:TheFactsforBBCOne.
　　Thedocumentarywillprovideanurgentlookatthescienceofclimatechangeandthepotentialsolutionstothisglobalthreat,combiningfootagethatrevealsthealreadydevastatingimpactofclimatechangeonourplanetwithinterviewsfromsomeoftheworld’sleadingclimatescientists.
　　Afteroneofthehottestyearsonrecord,climatologistsandmeteorologistsexplaintheeffectsofclimatechangeonboththehumanpopulationandthenaturalworld.Scientists,includingDrJamesHansen,DrMichaelMannandProfessorCatherineMitchellwillforensicallyunpackthesciencebehindtheextremeweatherconditionsofrecentyears,whichhaveseenunprecedentedstormsandcatastrophicwildfires;aswellasdetailinghowtheacceleratingrateatwhichtheworld’siceismeltingiscausingsealevelrises,andhowdeforestationisexacerbatingtheproblemofglobalwarmingbyaddingtoCO2intheatmosphere.
　　Thefilmwilldeliveranunflinchingexplorationofwhatdangerouslevelsofclimatechangecouldmeanforhumanpopulations,whatislikelytohappenifglobalwarmingexceeds1.5degreesandifmajorreductionsinCO2emissionsarenotmadeinthenextdecade.
　　Thedocumentarylookstooatpotentialsolutions,exploringtheinnovations,technologyandactionstheworld'sgovernmentsandindustriesaretakingtopreventfurtherwarmingandshowcasingindividualswhoarecreatingchangeatgrassrootslevels.
　　Inthefilm,SirDavidAttenboroughsays:"Inthe20yearssinceIfirststartedtalkingabouttheimpactofclimatechangeonourworld,conditionshavechangedfarfasterthanIeverimagined.Itmaysoundfrighteningbutthescientificevidenceisthatifwehavenottakendramaticactionwithinthenextdecadewecouldfaceirreversibledamagetothenaturalworldandthecollapseofoursocieties.We'rerunningoutoftimebutthere'sstillhope…Ibelievethatifwebetterunderstandthethreatweface,themorelikelyitisthatwecanavoidsuchacatastrophicfuture.”