NASA: Climate Change and Global Warming
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Vital Signs of the Planet: Global Climate Change and Global Warming. Current news and data streams about global warming and climate change from NASA. beautifulearth Earthrise WhenthisiconicimagewastakenfromApollo8onChristmasEve1968,theglobalaverageconcentrationofatmosphericcarbondioxidewasabout324partspermillion.Today,itisabout417ppm,oralmost29%higher.Thisimagecontinuestoremindusofourhomeplanet'sfragility. news NASAtoLaunch4EarthScienceMissionsin2022 Themissions,includingtwoledbytheagency’sJetPropulsionLaboratory,willhelpmonitorourchangingplanet.ScientistswilldiscussthemattheAmericanGeophysicalUnion’sFallMeeting. features StudyConfirmsImportanceofSouthernOceaninAbsorbingCarbonDioxide Thisbodyofwatertakesinmuchmorecarbonfromtheatmospherethanitreleases,makingitanimportantbufferforsomeoftheeffectsofhuman-causedgreenhousegasemissions. features ReducingEmissionstoLessenClimateChangeWouldYieldDramaticHealthBenefitsby2030 Airqualityimprovementsresultingfromaworldwidereductioningreenhousegasemissionswouldbenefithumanhealthandpreventeconomiclosses.(Imagecredit:bhumann34/pixabay) imagesofchange RecordLowWaterLevelatGreatSaltLake,Utah Overthelastfouryears,theviewfromspacehasrevealeddecliningwaterlevelsinthenorthernpartoftheGreatSaltLake,aswellasaportionofthesouthernpart. CarbonDioxide 417 partspermillion(current) CarbonDioxide Carbondioxidelevelsintheairareattheirhighestin650,000years GlobalTemperature 1.18 °Csince1880 GlobalTemperature Nineteenofthewarmestyearshaveoccurredsince2000 ArcticSeaIceExtent 13.0 percentperdecadesince1979 ArcticSeaIceExtent In2012,Arcticsummerseaiceshranktothelowestextentonrecord IceSheets 428 billionmetrictonsperyear IceSheets SatellitedatashowthatEarth'spolaricesheetsarelosingmass SeaLevel 3.4 millimetersperyear SeaLevel Globalaveragesealevelhasrisennearly7"(178mm)overthepast100years OceanHeatAdded 326 zettajoulessince1955 OceanHeatAdded Thepast20yearshaveseenthewarmestoceantemperaturesonrecord. TopicsofdiscussionincludeupcomingNASAEarthsciencelaunches,thescientificdiscoveriesPerseverance’sinvestigationsonMars,andupdatesfromtheJunomission. NASAtoHighlightNewScienceFindings,MissionsDuringAGUMeeting The3Dreal-timevisualizationtoolletsuserstrackNASAsatellitesaswellasthevitalEarthsciencedatatheyprovide.Recentupgradesmakeforanevenmorefascinatingexperience. NASA'sEyesontheEarthPutstheWorldatYourFingertips NASAisparticipatinginthe26thU.N.ClimateChangeConferenceoftheParties(COP26)inGlasgow,Scotland,throughFriday,Nov.12.Getthescheduleofeventswheretheagencywillbeinvolved. NASAattheUNClimateChangeConference VicePresidentKamalaHarriswillvisitNASA’sGoddardSpaceFlightCenterinGreenbelt,Marylandtoday,Nov.5,togetafirsthandlookattheagency’sworktocombattheclimatecrisisandprotectvulnerablecommunities. VicePresidentHarristoVisitNASAGoddardToday,DeliverLiveRemarks Seaiceplaysanimportantroleinregulatingourclimate.HerearefivefactstohelpyoubetterunderstandArcticseaice. FiveFactstoHelpYouUnderstandSeaIce NASAAdministratorBillNelsonandDeputyAdministratorPamMelroymetwithelectedofficialsaboutEarthscienceandvisitedmissioncontrolforthePerseveranceMarsrover. NASALeadershipVisitsJPL,DiscussesClimateChangeandMars Assatellitescollectlargerandlargeramountsofdata,engineersandresearchersareimplementingsolutionstomanagethesehugeincreases. NASATurnstotheCloudforHelpWithNext-GenerationEarthMissions Climatechangeismakingdroughtsmorefrequent,severe,andpervasive.NASAsatellitesprovidedataaboutwateravailabilitytotheU.S.DroughtMonitor,whichhelpsfarmerspreparefordrought,determiningwhereandwhattofeedtheirlivestock. DroughtMakesitsHomeontheRange Climatechangeisimpactingagricultureinanumberofways.Researchersusesatellitedataandcomputermodelingtomonitorandmitigatetheseimpacts. NASAatYourTable:ClimateChangeandItsEnvironmentalImpactsonCropGrowth Millionsofpeoplesufferfromfoodinsecurityaroundtheglobe.WiththehelpofEarth-observingsatellites,theNASA-USAIDSERVIRprojectishopingtoreducethatnumber. ImprovingFoodSecurityThroughCapacityBuilding SmokefromseverallargewildfiresburninginNorthernCaliforniacanbeseentravelingmilesintotheatmosphere. NASA'sMISRInstrumentSeesCaliforniaWildfireSmokePlumesFromSpace Earth’smagnetosphereshieldsusfromharmfulenergyfromtheSunanddeepspace.Takeadeepdivetothecenterofourworldtolearnmoreaboutitscauses,effects,variations,andhowscientistsstudyit. Earth'sMagnetosphere:ProtectingOurPlanetfromHarmfulSpaceEnergy Evidence Howdoweknowclimatechangeisreal? Causes Whyisclimatechangehappening? Effects Whataretheeffectsofclimatechange? Solutions Whatisbeingdonetosolveclimatechange? ExtremeMakeover:HumanActivitiesAreMakingSomeExtremeEventsMoreFrequentorIntense Frommorefrequentandlongerheatwavestomoreintenserainstorms,scientistsareincreasinglyconfidenthuman-inducedclimatechangeismakingsometypesofextremeweatherandclimateeventsmuchmorelikely. readmore LatestfromTwitter We’relookingbackaswechargeforward!Fromrecordtemperaturestoacceleratingglacialmelt,thisyear’stop…https://t.co/1IKWN60VrF SmallbutMightyNASAWeatherInstrumentsPrepareforLaunch NASA'sDelta-XHelpsWithDisasterResponseinWakeofHurricaneIda RoboticNavigationTechWillExploretheDeepOcean ImagesofChange Exploreastunninggalleryofbefore-and-afterimagesofEarthfromlandandspacethatrevealourhomeplanetinastateofflux. ClimateTimeMachine TravelthroughEarth'srecentclimatehistoryandseehowincreasingcarbondioxide,globaltemperatureandseaicehavechangedovertime. EyesontheEarth TrackEarth'svitalsignsfromspaceandflyalongwithNASA'sEarth-observingsatellitesinaninteractive3Dvisualization. GlobalIceViewer Earth'sicecoverisshrinking.Seehowclimatechangehasaffectedglaciers,seaice,andcontinentalicesheets. PlayandLearn:ClimateKids NASA’sClimateKidswebsitebringstheexcitingscienceofclimatechangeandsustainabilitytolife,providingclearexplanationsforthebigquestionsinclimatescience.Targetingupper-elementary-agedchildren,thesiteincludesinteractivegames,hands-onactivities,andengagingarticlesthatmakeclimatescienceaccessibleandfun.Withaspecialsectionforeducators,ClimateKidsisgreatforparentsandteachersaswell. visitthewebsite ClimateResourceCenter NASA’sGlobalClimateChangewebsitehostsanextensivecollectionofglobalwarmingresourcesformedia,educators,weathercastersandpublicspeakers.Browsebytopicandbymediatype,includingvideos,socialmediashareables,infographics,quizzesandinteractives. browseresources
延伸文章資訊
- 1NASA: Climate Change and Global Warming
Vital Signs of the Planet: Global Climate Change and Global Warming. Current news and data stream...
- 2Global Environmental Change - an overview - Science Direct
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- 3Global Environmental Change | Journal - Science Direct
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- 4IPCC — Intergovernmental Panel on Climate Change
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- 5WHO | Global environmental change - WHO | World Health ...
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