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1、全球变暖英文1234BackgroundReasonProblemSolution目录CONTENTThe climate has been getting steadily warmer and warmer in recent years.Background1Fossilfuelburningland-usechangePopulationgrowth1GreenhousegasesCO2Inadditiontotheirdirecteffectbyscatteringandabsorbingsolar
2、radiation,aerosolshaveindirecteffectsontheEarth'sradiationbudget.2Aerosolsandsoot3SolaractivityThesun’activitiescausevolcaniceruption,andproducealargenumberofash4VariationsinEarth'sorbitVariationsinorbitalcyclesmayinitiateanewglacialperiodinthefuture,though
3、thetimingofthisdependsongreenhousegasconcentrationsaswellastheorbitalforcing.GlobalwarmingcausesallsortsofproblemsProblem3ExtremeweatherSealevelriseLong-termeffectsEcologicalsystems1234ExtremeweatherProjectionssuggestaprobableincreaseinthefrequencyandseveri
4、tyofsomeextremeweatherevents,suchasheatwaves,Elnino(厄尔尼诺),drought,floods,thunderstorms,hail(冰雹),storm,theheatandduststormsSeaLevelRise19thcentury ——riseattherateof0.10to0.15peronehundredmetersIce,islands,citydisappearBringdisastertothecoastalareasTerrestria
5、l(陆地)ecosystemsthreatencoralreefs,fisheries,protectedspecies,andothernaturalresourcesofvaluetosocietyEffecttheflightofthemigratorybirdsaffectparticularecosystemsreduceddiversityofecosystemsoceanecosystem123EcologicalsystemsAireffectsLong-termAbruptclimatech
6、angearesponsefromtheEarth'scrusttherapidreleaseofmethaneandcarbondioxidefrompermafrostinjuryandlossoflifealargerisktoglobalandregionalfoodsecurityEconomicandInfrastructurelossLowcarbonlifeSolution4MitigationAdaptationClimateengineeringMitigationofclimatered
7、ucegreenhousegasemissions,orenhancethecapacityofcarbonsinkstoabsorbGHGsfromtheatmosphereLocaladaptationeffortsEnhancingadaptivecapacityAgriculturalproductionMorespendingonirrigationWeathercontrolDammingglaciallakesGeoengineeringMigrationInsurancesolarradiat
8、ionmanagementandcarbondioxideremoval.谢谢大家观看ThanksForWatchingLOGO脑梗塞后遗症内科高军兆基本概述脑梗塞后遗症是指在脑梗塞发病一年后,如果还存在半身不遂或者语言障碍或口眼歪斜等症状,就叫做脑梗塞后遗症,该时期也叫做脑梗塞后遗症期,与恢复期相比,恢复速度及程度较慢。病理病因根本原因在于脑血管内部出现血粘度高、血脂高、血压高、血糖高、血小板聚集