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Effects of climate change	economic inequality exacerbated climate change.result environmental migration especially developing countries people directly dependent land food feed fibre timber energy.observed future warming global warming affects elements earths climate system.global surface temperatures risen °c expected rise future.nighttime tem...
Effects of climate change	impact environment wildlife society humanity depends much earth warms.one methods scientists use predict effects humancaused climate change investigate past natural changes climate.assess changes earths past climate scientists studied tree rings ice cores corals ocean lake sediments.show recent warming surpassed anythi...
Effects of climate change	scientists pretty sure double amount ghg atmosphere world would warm .°c °c much humans emit less certain.projected magnitude warming closely related level cumulative emissions st century total emissions .higher cumulative emissions time period greater level warming projected occur.even emissions drastically reduced ov...
Effects of climate change	°c depending sensitive climate greenhouse gas emissions warming preindustrial levels.unconditional pledges targets made governments achieved temperature rise around .°c.additionally countries adopted considering adopt netzero targets achieve temperature rise median .°c.
Effects of climate change	substantial gap national plans commitments actions far taken governments around world.effects weather increasing temperature likely increase precipitation effects storms less clear.extratropical storms partly depend temperature gradient predicted weaken northern hemisphere polar region warms rest hemisphere.global warm...
Effects of climate change	direct consequences climate change include extreme temperature levels rising sea levels higher water temperatures heavy precipitation levels melting glaciers ice caps thawing permafrost among many others.changes lead indirect consequences alter human planetary life increase hunger water crises health risks rising tempe...
Effects of climate change	hotter temperature comes longer summer season melting polar ice caps flood coastal areas.also cause dangerous heat waves.global warming result climate change also means winters get colder causing worse snowstorms unbearable temperature decreases.precipitation global warming expected accompanied reduction rainfall subtr...
Effects of climate change	projection apply every locale cases modified local conditions.drying projected strongest near poleward margins subtropics example south africa southern australia mediterranean southwestern u.s. pattern described poleward expansion semiarid zones.in case precipitation rising temperatures intensify earth’s water cycle in...
Effects of climate change	changes regional climate expected include greater warming land warming high northern latitudes least warming southern ocean parts north atlantic ocean.future changes precipitation expected follow existing trends reduced precipitation subtropical land areas increased precipitation subpolar latitudes equatorial regions.h...
Effects of climate change	changes already observed amount intensity frequency type precipitation.widespread increases heavy precipitation occurred even places total rain amounts decreased.projections changes precipitation show increases global average substantial shifts location pattern rainfall.although increased rainfall occur everywhere mode...
Effects of climate change	compared baseline climate global warming occurred.using medium global warming scenario project number monthly heat records globally could times greater scenario longterm warming.global warming boosts probability extreme weather events heat waves daily maximum temperature exceeds average maximum temperature °c °f five c...
Effects of climate change	heat waves high humidity pose big risk human health heat waves low humidity lead dry conditions increase wildfires.mortality extreme heat larger mortality hurricanes lightning tornadoes floods earthquakes together.future climate change include hot days fewer cold days.frequency length intensity heat waves likely increa...
Effects of climate change	evidence climate change leads weakening polar vortex would make jet stream wavy.would lead outbursts cold winter weather across parts eurasia north america.tropical cyclones storms global warming causes changes tropical cyclones may also make impacts worse via sea level rise.intensity tropical cyclones hurricanes typho...
Effects of climate change	furthermore rate rainfall projected increase trends future frequency global scale yet clear.changes tropical cyclones vary region.increases temperature expected produce intense convection land higher frequency severe storms.effects oceans main physical effects global warming world ocean sea level rise ocean warming oce...
Effects of climate change	precise data gathered satellite radar measurements reveal accelerating rise .cm average rate mm ⁄ per decade.thermal expansion water contributed sea level rise melting temperate glaciers greenland antarctica .climate scientists expect rate accelerate st century latest measurements saying sea levels currently rising .mm...
Effects of climate change	carbon dioxide levels atmosphere rise equillibrium gas exchange disturbed causing ocean absorb retain large amounts co. reduces amount co atmosphere would contributing greenhouse effect dissolved carbon dioxide acid lowering ph ocean.temperature ocean increases become less able absorb excess co blunts acidification abi...
Effects of climate change	increased thermal stratification may lead increases respiration rates organic matter decreasing water oxygen content.ocean already lost oxygen throughout entire water column oxygen minimum zones expanding worldwide.adverse consequences ocean life.effects physical environment climate change causes variety physical impac...
Effects of climate change	temperature rise uniform land masses arctic region warming faster global average.effects weather encompass increased heavy precipitation reduced amounts cold days increase heat waves various effects tropical cyclones.enhanced greenhouse effect causes higher part atmosphere stratosphere cool.geochemical cycles also impa...
Effects of climate change	retreat ice mass may impact various geological processes well volcanism earthquakes.increased temperatures human interference climate system lead tipping points crossed collapse thermohaline circulation amazon rainforest.physical impacts also affect social economic systems.soil climate change activities aggravate erosi...
Effects of climate change	consequences include habitat loss overexploitation pollution air water soil uneven spread species.water less predictable rainfall patterns intense storms increase water scarcity increased risk flooding.resulting changes affect many coastal regions submerge many areas.rise water temperature also hamper aquatic ecosystem...
Effects of climate change	observed set satellites since microwave sounding unit radiosonde data.satellites measure height atmosphere separately instead measure set bands slightly overlap.overlap cooling stratosphere measurements tropospheric warming may cause latter underestimated slightly.heated atmosphere contains water vapour itselfs also gr...
Effects of climate change	feedback exists initial process triggers changes second process turn influences initial process.positive feedback intensifies original process negative feedback reduces ipcc d. models suggest interaction climate system carbon cycle one feedback effect positive schneider et al..ice snow cryosphere cryosphere made parts ...
Effects of climate change	cryosphere especially polar regions extremely sensitive changes global climate.the intergovernmental panel climate change issued special report ocean cryosphere changing climate.according report climate change caused massive melting glaciers ice sheets snow permafrost generally negative effects ecosystems humans.indige...
Effects of climate change	st century glaciers snow cover projected continue retreat almost regions.melting greenland west antarctic ice sheets continue contribute sea level rise long timescales.northern hemisphere average annual snow cover declined recent decades.pattern consistent warmer global temperatures.largest declines observed spring sum...
Effects of climate change	less solar energy sea ice absorbs holds surface colder positive feedback toward climate change.as climate warms snow cover sea ice extent decrease.largescale measurements seaice possible since satellite era.age sea ice important feature state sea ice cover.sea ice antarctic hardly changed since measurements began.thoug...
Effects of climate change	since satellite records indicate decline summer sea ice coverage per decade.thickness sea ice also decreased .last six decades shift permanent ice largely seasonal ice cover.arctic sea ice area likely drop million km least septembers .icefree summers expected rare .
Effects of climate change	°c degrees warming set occur least every decade warming level .°c.glacier retreat disappearance permafrost thawing effects wildlife nature recent warming strongly affected natural biological systems.species worldwide moving poleward colder areas.land species move higher elevations whereas marine species find colder wat...
Effects of climate change	drivers biggest global impact nature climate change ranks third five decades change land use sea use direct exploitation organisms greater impact.the impacts climate change nature natures contributions humans projected become pronounced next decades.examples climatic disruptions include fire drought pest infestation in...
Effects of climate change	impacts include changes regional rainfall patterns earlier leafing trees plants many regions movements species higher latitudes altitudes northern hemisphere changes bird migrations europe north america australia shifting oceans plankton fish cold warmadapted communities.terrestrial wetland systems climate change estim...
Effects of climate change	interacting pressures climate change increases extinction risk large fraction terrestrial freshwater species.species different groups assessed substantially higher risk extinction due climate change.marine ecosystems warm water coral reefs sensitive global warming ocean acidification.coral reefs provide habitat thousan...
Effects of climate change	°c.coral reefs framework organisms organisms build physical structures form habitats sea creatures affected climate change mangroves seagrass considered moderate risk lower levels global warming according literature assessment special report ocean cryosphere changing climate.marine heatwaves seen increased frequency wi...
Effects of climate change	melting sea ice destroys habitat including algae grows underside.likely oceans warmed faster compared period starting .floods air holds water vapour every degree celsius warmed.highly watersaturated air tends produce heavier rains potentially worsening flooding.a study found peak precipitation increasing every one degr...
Effects of climate change	much increase areas already experience high rainfall.one effect perhaps experienced pakistan floods overwhelm flood control infrastructure.droughts climate change affects multiple factors associated droughts much rain falls fast rain evaporates again.warming land drives increase atmospheric evaporative demand increase ...
Effects of climate change	areas however mediterranean california already show clear human signature.impacts aggravated increased water demand population growth urban expansion environmental protection efforts many areas.in intergovernmental panel climate change issued special report climate change land.main statements report include years – are...
Effects of climate change	areas increase wildfires attributed directly climate change.warmer climate conditions pose risks wildfire consistent evidence earths past fire warmer periods less colder climatic periods.climate change increases evaporation cause vegetation dry out.fire starts area dry vegetation spread rapidly.higher temperatures also...
Effects of climate change	regions snow disappearing fire season may get particularly extended.even thought weather conditions raising risks wildfires total area burnt wildfires decreased globally.mostly result conversion savanna croplands less forest area burn.prescribed burning indigenous practice us australia reduce area burnt may form adapta...
Effects of climate change	effects humans effects climate change humans far reaching include effects physical mental health environmental devastation destruction homes forced displacement mass migration conflict water food internal international security potential breakdown society energy transport.climate change brought possibly irreversible al...
Effects of climate change	example bangladesh experienced increase climatesensitive diseases malaria dengue fever childhood diarrhea pneumonia among vulnerable communities.numerous studies suggest net current future impacts climate change human society continue overwhelmingly negative.most adverse effects climate change experienced poor lowincom...
Effects of climate change	areas may become hot humans live people areas may experience internal longdistance displacement triggered flooding climate change related disasters.the vulnerability exposure humans climate change varies one economic sector another different impacts different countries.wealthy industrialised countries emitted co resour...
Effects of climate change	global temperatures increase number heat stress heatstroke cardiovascular kidney disease deaths illnesses.air pollution generated fossil fuel combustion major driver global warming – parallel comparison – cause least substantially contributing factor large number annual deaths estimates high .million excess deaths .may...
Effects of climate change	key vulnerabilities key vulnerabilities climate change related climate phenomena exceed thresholds adaptation extreme weather events abrupt climate change well limited access resources financial technical human institutional cope.humans generally live areas average temperature °c °c majority life regions temperature °c...
Effects of climate change	high emission scenario human population live area.agriculture food security climate change impact agriculture food production around world due effects elevated co atmosphere higher temperatures altered precipitation transpiration regimes increased frequency extreme events modified weed pest pathogen pressure.climate ch...
Effects of climate change	maize soybean decrease warming whereas rice wheat production might peak °c warming.in many areas fisheries already seen catch decrease global warming changes biochemical cycles.combination overfishing warming waters decrease maximum catch potential.global catch potential projected reduce less emissions reduced strongly...
Effects of climate change	high emission scenario rcp.cereals projected become – expensive depending socioeconomic pathway particularly affecting lowincome consumers.compared climate change scenario would put – million extra people risk hunger.while co expected good crop productivity lower temperatures reduce nutritional values crops instance wh...
Effects of climate change	models projecting future indicate prices become volatile.droughts result crop failures loss pasture livestock.rate soil erosion – times higher rate soil accumulation agricultural areas use notill farming.areas tilling times higher.climate change increases land degradation desertification.climate change also cause soils...
Effects of climate change	warmer conditions would favor growth certain bacteria species shifting bacterial community composition.elevated carbon dioxide would increase growth rates plants soil microbes slowing soil carbon cycle favoring oligotrophs slowergrowing resource efficient copiotrophs.water security number climaterelated trends observed...
Effects of climate change	observed projected impacts climate change freshwater systems management mainly due changes temperature sea level precipitation variability.changes temperature correlated variability precipitation water cycle reactive temperature.temperature increases change precipitation patterns.excessive precipitation leads excessive...
Effects of climate change	fifth ipcc assessment report concluded thatwater resources projected decrease dry subtropical regions midlatitudes increase high latitudes.streamflow becomes variable even regions increased water resources experience additional shortterm shortages.climate change projected reduce water quality treatment.even conventiona...
Effects of climate change	climate change potential cause large population dislocations migration also lead increased tensions conflict.however study journal nature climate change found previous studies relationship climate change conflict suffered sampling bias methodological problems.factors climate change judged substantially important affect...
Effects of climate change	example onset arab spring partly result spike wheat prices following crop losses russian heat wave.united nations said several times climate change already increasing conflicts different regions world.economic impact overall economy inequality economic forecasts impact global warming vary considerably.researchers warne...
Effects of climate change	part growth also related regional climatic factors e.g.changes precipitation flooding events.difficult quantify relative impact socioeconomic factors climate change observed trend.trend however suggest increasing vulnerability social systems climate change.a modelling study found climate change contributed towards glob...
Effects of climate change	instance total damages estimated less global warming limited .°c compared .°c warming level chosen represent mitigation.one study found .reduction global gdp end century warming limited °c excluding potential effect tipping points.
Effects of climate change	another study noted global economic impact underestimated factor two eight tipping points excluded consideration.oxford economics high emission scenario temperature rise degrees year would reduce global gdp .– .. year case temperature would rise degrees could reduce global gdp worst case.energy oil natural gas infrastr...
Effects of climate change	increased demand fresh water climate change increase likelihood drought fresh water shortages.another impact thermal power plants increasing temperatures operate reduces efficiency hence output.the impact water shortages nuclear power plants cooled rivers greater thermal power plants.old reactor designs watercooled cor...
Effects of climate change	many scientists agree global warming continues disruption likely increase.changes amount river flow correlate amount energy produced dam.result diminished river flow power shortage areas depend heavily hydroelectric power.studies colorado river united states suggests modest climate changes degree change celsius could r...
Effects of climate change	transport roads airport runways railway lines pipelines including oil pipelines sewers water mains etc.may require increased maintenance renewal become subject greater temperature variation.regions already adversely affected include areas permafrost subject high levels subsidence resulting buckling roads sunken foundat...
Effects of climate change	effects climate change desertification rising sea levels gradually erode livelihood force communities abandon traditional homelands accommodating environments.currently happening areas africas sahel semiarid belt spans continent northern deserts.deteriorating environments triggered climate change also lead increased co...
Effects of climate change	tuvalu already ad hoc agreement new zealand allow phased relocation.however islanders relocation option.willing leave homes land families.simply dont know threat climate change island mainly lack awareness climate change even exists.many pacific islands growing size contradicting earlier claims.governments considered v...
Effects of climate change	experts support migration appropriate way people cope environmental changes.however controversial migrants – particularly lowskilled ones – among vulnerable people society often denied basic protections access services.climate change one factor may contribute households decision migrate factors may include poverty popu...
Effects of climate change	refugees comes climate vulnerable hotspots.slowonset disasters gradual environmental erosion desertification reduction soil fertility coastal erosion sealevel rise likely induce longterm migration.migration related desertification reduced soil fertility likely predominantly rural areas developing countries towns cities...
Effects of climate change	social impacts consequences climate change poverty distributed uniformly within communities.individual social factors gender age education ethnicity geography language lead differential vulnerability capacity adapt effects climate change.disproportionate effects children environmental racism climate change disproportio...
Effects of climate change	latino americans exposed pollution produce african americans white americans exposed less pollution produce.human settlement major challenge human settlements sea level rise indicated ongoing observation research rapid declines icemass balance greenland antarctica.estimates least twice large previously estimated ipcc a...
Effects of climate change	developing countries poorest often live floodplains available space fertile agricultural land.settlements often lack infrastructure dykes early warning systems.poorer communities also tend lack insurance savings access credit needed recover disasters.the ipcc reported socioeconomic impacts climate change coastal lowlyi...
Effects of climate change	projections cities crowther lab eth zürich paired climatic conditions major cities worldwide predicted climatic conditions cities .major cities predicted climatic conditions exist city today.london climate similar melbourne athens madrid like fez morocco nairobi like maputo.indian city pune like bamako mali bamako like...
Effects of climate change	abrupt irreversible changes selfreinforcing feedbacks amplify climate change.climate system exhibits threshold behaviour tipping points feedbacks lead parts earth system new state runaway loss ice sheets destruction many forests.tipping points studied using data earths distant past physical modelling.already moderate r...
Effects of climate change	many tipping points interlinked triggering one may lead cascade effects even well degrees warming.study states environmental problems including caused climate change interconnected make risk domino effect bigger.the probability warming unforeseen consequences increases rate magnitude duration climate change.amazon rain...
Effects of climate change	higher frequency droughts seen first two decades st century well data signal tipping point rainforest savanna might close.one study concluded ecosystem could enter mode yearslong collapse savanna around would become increasingly disproportionally difficult prevent reverse shift.greenland west antarctic ice sheets futur...
Effects of climate change	partial collapse ice sheet would lead rapid sea level rise local decrease ocean salinity.would irreversible timescale decades millennia.in contrast west antarctic ice sheet melt greenland ice sheet projected taking place gradually millennia.sustained warming °c low confidence °c medium confidence would lead complete lo...
Effects of climate change	air temperature higher lower altitude promotes melt.atlantic meridional overturning circulation atlantic meridional overturning circulation amoc important component earths climate system northward flow warm salty water upper layers atlantic southward flow colder water deep atlantic.potential impacts associated amoc cha...
Effects of climate change	potential consequences collapse could severe.irreversible change warming commitment co concentrations.emissions co abruptly stopped negative emission technologies deployed earths climate would start moving back preindustrial state.instead temperatures would stay elevated level several centuries.thousand years humanemit...
Effects of climate change	pathways keep global warming .°c often rely largescale removal co feasibility uncertain clear risks.irreversible impacts number examples climate change impacts environment may irreversible least timescale many human generations.include largescale singularities melting greenland west antarctic ice sheets changes amoc.bi...
Effects of climate change	social systems unique cultures may lost due climate change.example humans living atoll islands face risks due sea level rise sea surface warming increased frequency intensity extreme weather events.variations regions global temperature changes changes climate expected uniform across earth.particular land areas change q...
Effects of climate change	however expected future warming follow similar geographical pattern seen already greatest warming land high northern latitudes least southern ocean parts north atlantic ocean.land areas warm faster ocean feature even stronger extreme temperatures.hot extremes regions warming include central southern europe western cent...
Effects of climate change	africa one vulnerable continents climate variability change multiple existing stresses low adaptive capacity.climate change projected decrease freshwater availability central south east southeast asia particularly large river basins.population growth increasing demand higher standards living decrease could adversely af...
Effects of climate change	people affected denselypopulated lowlying megadeltas asia africa.the greenland ice sheet estimated reached point return continuing melt even warming stopped.time would submerge many worlds coastal cities including lowlying islands especially combined storm surges high tides.arctic southern part arctic region home peopl...
Effects of climate change	canada alaska russia experiencing initial melting permafrost.may disrupt ecosystems increasing bacterial activity soil lead areas becoming carbon sources instead carbon sinks.study published science changes eastern siberias permafrost suggests gradually disappearing southern regions leading loss nearly siberias nearly ...
Effects of climate change	africa small islands small islands developing states especially vulnerable effects climate change especially sea level rise.expected experience intense storm surges salt water intrusion coastal destruction.lowlying small islands pacific indian caribbean regions risk permanent inundation population displacement.islands ...
Effects of climate change	vulnerability increased small size isolation land low financial resources lack protective infrastructure.a study engaged experiences residents atoll communities found cultural identities populations strongly tied lands.human rights activists argue potential loss entire atoll countries consequently loss national soverei...
Effects of climate change	greenhouse gas emissions reduced region become uninhabitable year .see also environmental justicehuman extinctionpolitics global warminguniversity peaceanthropoceneglobal catastrophic risk sources foxkemper baylor hewitt helene t. xiao cunde aðalgeirsdóttir guðfinna et al..chapter ocean cryosphere sea level change pdf....
Effects of climate change	.chapter water cycle changes pdf.ipcc ar wg .ipcc ar wg solomon s. qin d. manning m. chen z. marquis m. averyt k.b.tignor m. miller h.l.eds.
Effects of climate change	climate change physical science basis contribution working group fourth assessment report intergovernmental panel climate change cambridge university press isbn pb .ipcc ar wg parry m.l.canziani o.f.palutikof j.p. van der linden p.j.hanson c.e.eds.
Effects of climate change	climate change impacts adaptation vulnerability contribution working group ii fourth assessment report intergovernmental panel climate change cambridge university press isbn pb .ipcc ar syr core writing team pachauri r.k reisinger a. eds.climate change synthesis report contribution working groups ii iii fourth assessme...
Effects of climate change	summary policymakers available arabic chinese french russian spanish.ipcc ar wg stocker t.f.et al.eds.climate change physical science basis.working group wg contribution intergovernmental panel climate change ipcc th assessment report ar cambridge university press.
Effects of climate change	climate change working group website.ipcc ar wg field c.b.et al.eds.climate change impacts adaptation vulnerability.part global sectoral aspects.
Effects of climate change	contribution working group ii wg fifth assessment report ar intergovernmental panel climate change ipcc cambridge university press archived original april .archivedipcc ar wg edenhofer o. et al.eds.climate change mitigation climate change.contribution working group iii wg fifth assessment report ar intergovernmental pa...
Effects of climate change	archivedipcc .massondelmotte v. zhai p. pörtner h. o. roberts d. et al.eds.. global warming .°c.ipcc special report impacts global warming .°c preindustrial levels related global greenhouse gas emission pathways context strengthening global response threat climate change sustainable development efforts eradicate povert...
Effects of climate change	pörtner h.o.roberts d.c. massondelmotte v. zhai p. et al.eds.. ipcc special report ocean cryosphere changing climate pdf.ipcc.ipcc .shukla p.r.
Effects of climate change	skea j. calvo biendia e. massondelmotte v. et al.eds.. climate change land.ipcc special report climate change desertification land degradation sustainable land management food security greenhouse gas fluxes terrestrial ecosystems pdf.press.ipcc .summary policymakers pdf.
Effects of climate change	ipcc srccl .pp.–.ipcc .massondelmotte v. zhai p. pirani a. connors s. l. et al.eds.. climate change physical science basis pdf.
Endangered species	contribution working group sixth assessment report intergovernmental panel climate change.cambridge university press press.article incorporates public domain material noaa document kennedy c.h.july climatewatch magazine » state climate highlights noaa archived original may retrieved march article incorporates public do...
Endangered species	multiple factors considered assessing status species e.g.statistics number remaining overall increase decrease population time breeding success rates known threats.iucn red list threatened species bestknown worldwide conservation status listing ranking system.over worlds species estimated risk extinction.internationall...
Endangered species	iucn red list though labeled list iucn red list system assessing global conservation status species includes data deficient dd species – species data assessment required situation may determined – well species comprehensively assessed iucns species assessment process.species near threatened nt least concern lc status a...
Endangered species	using species data database economics management endangered species demes database period endangered species act esa existence table created suggests positive relationship human activity species endangerment.endangered species act endangered species act united states species may listed endangered threatened.salt creek ...
Endangered species	typical areas controversy include criteria placing species endangered species list rules removing species list population recovered.whether restrictions land development constitute taking land government related question whether private landowners compensated loss uses areas obtaining reasonable exceptions protection l...
Endangered species	landowners currently may perceive diminution value land finding endangered animal it.allegedly opted kill bury animals destroy habitat silently.thus removing problem land time reducing population endangered species.effectiveness endangered species act – coined term endangered species – questioned business advocacy grou...
Endangered species	approximation however take consideration species threatened endangerment included protection laws like endangered species act.according natureserves global conservation status approximately thirteen percent vertebrates excluding marine fish seventeen percent vascular plants six eighteen percent fungi considered imperil...
Endangered species	many began food sources seen necessary survival became target sport.however due major efforts prevent extinction bald eagle haliaeetus leucocephalus category least concern red list.presentday example overhunting species seen oceans populations certain whales greatly reduced.large whales like blue whale bowhead whale fi...
Endangered species	actions include prohibiting whaling united states waters formation cites treaty protects whales along formation international whaling commission iwc.even though movements put place countries japan continue hunt harvest whales claim scientific purposes.overhunting climatic change habitat loss leads landing species endan...
Endangered species	introductions may termed alien invasive species.cases invasive species compete native species food prey natives.cases stable ecological balance may upset predation causes leading unexpected species decline.new species may also carry diseases native species exposure resistance.conservation captive breeding captive breed...
Endangered species	captive breeding meant save species extinction stabilise population species disappear.this technique worked many species time probably oldest known instances captive mating attributed menageries european asian rulers example père davids deer.however captive breeding techniques usually difficult implement highly mobile ...

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