Global-warming-and-climate-change

•Definition•Facts•Cause•Effects•SolutionsDefinition•GlobalwarmingistheincreaseintheaveragetemperatureofEarth’snear-surfaceairandoceanssincethemid-20thcentury.What’sthedifferencebetween“globalwarming”and“climatechange”?DifferenceGLOBALWARMINGistheincreaseoftheEarth’saveragesurfacetemperatureduetoabuild-upofgreenhousegasesintheatmosphere.CLIMATECHANGEisabroadertermthatreferstolong-termchangesinclimate,includingaveragetemperatureandprecipitation.What’stheproofthatglobalwarmingistakingplace?19142004•AlaskaPhotos:NOAAPhotoCollectionandGaryBraasch–WorldViewOfGlobalWarming.orgColoradoRiver•ArizonaJune2002Dec2003•TheprocessofTemperature’cultivatingSunEarth’sTemperatureSolarEnergySolarEnergySunEarth’sTemperatureSolarEnergyRadiativeCoolingSunEarth’sTemperatureSolarEnergyRadiativeCoolingSunEarth’sTemperatureSolarEnergyRadiativeCoolingThesunspotsactivesintensely.Theearthaxis(地轴)changesveryslowly，inflectingrevolution（公转）oftheEarth。GreenhouseEffectSunEarth’sAtmosphericGasesNitrogen(N2)Oxygen(O2)Water(H2O)CarbonDioxide(CO2)99%Methane(CH4)1%Non-GreenhouseGasesGreenhouseGasesArgon（氩）(Ar)U.S.CarbonemissionsourcesExplanationofthecausesofglobalwarmingExplanationoftheeffectsofglobalwarmingClimateChange:HealthImpactsandPolicyResponsesGlobalEnvironmentalChanges,affecting:•Climate•Water•Foodyields•Othermaterials•Physicalenvtl.safety•Microbialpatterns•CulturalassetsNaturalprocessesandforcingsImpactsonhumansociety:•livelihoods•economicproductivity•socialstability•healthHumansociety:•culture,institutions•economicactivity•demographyFeedbackAdaptation:ReduceimpactsHumanpressureonenvironmentMitigation:ReducepressureonenvironmentPossibleSolutionstoGlobalWarmingMitigationofGlobalWarming•Conservation–Reduceenergyneeds–Recycling•Alternateenergysources–Nuclear–Wind–Geothermal–Hydroelectric–Solar–Fusion?SimpleThingsToDoTurnoffyourcomputerortheTVwhenyou’renotusingit.Takeshortershowers.Heatingwaterusesenergy.Keeproomscoolbyclosingtheblinds,shades,orcurtains.Turnoffthelightswhenyouleavearoom.Usecompactfluorescentbulbs.BeBulbSmart—UseCFLsIncandescentCompactFluorescent500lbs.ofcoalWhat’sthedifference?•1,430lbs.CO2pollutionavoided•$30savedSimpleThingsToDoDresslightlywhenit’shotinsteadofturninguptheairconditioning.Oruseafan.Dresswarmlywhenit’scoldinsteadofturninguptheheat.OffertohelpyourparentskeeptheairfiltersonyourACandfurnaceclean.Walkshortdistancesinsteadofaskingforarideinthecar.Plantatree.Recycle.•Thankyou!