全球變暖英文

1234BackgroundReasonProblemSolution目錄CONTENT第一頁(yè)第二頁(yè)，共19頁(yè)。

The

climate

has

been

getting

steadily

warmer

and

warmer

in

recent

years.

Background1第二頁(yè)第三頁(yè)，共19頁(yè)。Theaverageglobaltemperature

risessignificantlyafterenteringtheeightiesGlobalwarmingiscoming!!!!第三頁(yè)第四頁(yè)，共19頁(yè)。

Therearemanyreasonsoftheglobalwarming,butitmainlycausedbyhumanactivitiesReason2第四頁(yè)第五頁(yè)，共19頁(yè)。Initialcausesoftemperaturechanges3421AerosolsandsootGreenhousegasesVariationsinEarth'sorbitSolaractivity第五頁(yè)第六頁(yè)，共19頁(yè)。Fossilfuel

burning

land-usechangePopulationgrowth1GreenhousegasesCO2第六頁(yè)第七頁(yè)，共19頁(yè)。Inadditiontotheirdirecteffectbyscatteringandabsorbingsolarradiation,aerosolshaveindirecteffectsontheEarth'sradiationbudget.2Aerosolsandsoot第七頁(yè)第八頁(yè)，共19頁(yè)。3SolaractivityThesun’activitiescausevolcaniceruption,andproducealargenumberofash第八頁(yè)第九頁(yè)，共19頁(yè)。4VariationsinEarth'sorbitVariationsinorbitalcyclesmayinitiateanewglacialperiodinthefuture,thoughthetimingofthisdependsongreenhousegasconcentrationsaswellastheorbitalforcing.

第九頁(yè)第十頁(yè)，共19頁(yè)。

GlobalwarmingcausesallsortsofproblemsProblem3第十頁(yè)第十一頁(yè)，共19頁(yè)。ExtremeweatherSealevelriseLong-termeffectsEcologicalsystems1234第十一頁(yè)第十二頁(yè)，共19頁(yè)。ExtremeweatherProjectionssuggestaprobableincreaseinthefrequencyandseverityofsomeextremeweatherevents,suchasheatwaves，Elnino（厄爾尼諾）,drought,floods,thunderstorms,hail（冰雹）,storm,theheatandduststorms第十二頁(yè)第十三頁(yè)，共19頁(yè)。SeaLevelRise19thcentury

——riseattherateof0.10to0.15peronehundredmetersIce,islands,citydisappearBringdisastertothecoastalareas第十三頁(yè)第十四頁(yè)，共19頁(yè)。Terrestrial（陸地）ecosystemsthreatencoralreefs,fisheries,protectedspecies,andothernaturalresourcesofvaluetosocietyEffecttheflightofthemigratorybirdsaffectparticularecosystemsreduceddiversityofecosystemsoceanecosystem123EcologicalsystemsAir第十四頁(yè)第十五頁(yè)，共19頁(yè)。effectsLong-termAbruptclimatechangearesponsefromtheEarth'scrusttherapidreleaseofmethaneandcarbondioxidefrompermafrostinjuryandlossoflifealargerisktoglobalandregionalfoodsecurityEconomicandInfrastructureloss第十五頁(yè)第十六頁(yè)，共19頁(yè)。

LowcarbonlifeSolution4第十六頁(yè)第十七頁(yè)，共19頁(yè)。MitigationAdaptationClimateengineeringMitigationofclimatereducegreenhousegasemissions,orenhancethecapacityofcarbonsinkstoabsorbGHGsfromtheatmosphereLocaladaptationeffortsEnhancingadaptivecapacityAgriculturalproductionMorespendingonirrigationWeathercontrolDamminggl