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?Climatechangeaction:Toolittle,toolate?
BySimonHooper
SpecialforCNN
1.LONDON,England(CNN)--Iwanttoscareyouaboutclimatechange,says
FredPearce,veteranenvironmentaljournalistandauthor.Weareprobablythelast
generationtobeabletorelyonastableclimate.
2.AddressingasympatheticaudienceattheCheltenhamScienceFestival(1),Pearce
ispreachingtotheconvertedabouttherealityandrisksofclimatechange.
3.Butitishisfear--asthetitleofhisnewbook,TheLastGeneration:HowNature
WillTakeHerRevengeforClimateChange(itiscalledWithSpeedandViolence
intheU.S.),suggests--thatwestillhaventfullyrealizedtheapocalypticforceswe
haveawokenandtherealityofwhatisatstakeifglobalwarmingcontinues
untrammeled.
4.Thisisnotjustaboutwarmerweather,environmentaldegradationandalooming
refugeecrisis,accordingtoPearce,butaboutoursurvivalasaspecies,ashomo
sapiens.
5.ThisyearsseriesofreportsbytheIntergovernmentalPanelonClimateChange
(IPCC)(2)havebeenbroadlywelcomedforasoberandsensibletone,which,while
acknowledgingthedangersofglobalwarming,alsosuggestedthatourdestinywas
stillinourownhands.
6.Ourcarbonemissionswouldhavetobeslashedwithstricttargetssetandmetby
2050toavertcatastrophebutthiswasessentiallyaman-madeproblemwith
man-madesolutions.
7.ButPearcesaystheIPCCreportsarenotthewholestory.Carefullyrestricted
withinnarrowparametersframedbymeasurablequantifiablechangeandimprecise
computermodeling,whattheydontfactorinarethelongshotswhichcouldthrow
allourexistingcertaintiesintodisarray.
8.Thetruthis,themoreweobserveabouttheclimatesystem,themorefrightening
thescenariosthatscientistsar