气候变化：事实真相

aaaSirDavidAttenboroughistopresentandnarrateanewlandmarkfilm,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.”