climate change in the american mind Change in the American Mind: October 2017 3 Executive Summary...

climate change

in the american mind

October 2017

ClimateChangeintheAmericanMind:October2017 1

TableofContents

Introduction................................................................................................................................................................2ExecutiveSummary.................................................................................................................................................31. GlobalWarmingBeliefs..................................................................................................................................52. EmotionalResponsestoGlobalWarming...........................................................................................103. PerceivedRisksofGlobalWarming.......................................................................................................134. PersonalandSocialEngagementwithGlobalWarming...............................................................175. CanHumansReduceGlobalWarming?.................................................................................................226. HowAmericansConceptualizeGlobalWarming..............................................................................237. GlobalWarmingandSevereWeather...................................................................................................24AppendixI:DataTables......................................................................................................................................28AppendixII:SurveyMethod.............................................................................................................................58AppendixIII:SampleDemographics.............................................................................................................60


IntroductionThisreportisbasedonfindingsfromanationallyrepresentativesurvey–ClimateChangeintheAmericanMind–conductedbytheYaleProgramonClimateChangeCommunication(climatecommunication.yale.edu)andtheGeorgeMasonUniversityCenterforClimateChangeCommunication(climatechangecommunication.org).Interviewdates:October20–November1,2017.Interviews:1,304Adults(18+).Averagemarginoferror+/-3percentagepointsatthe95%confidencelevel.Theresearchwasfundedbythe11thHourProject,theEnergyFoundation,theGranthamFoundation,andtheMacArthurFoundation.PrincipalInvestigators:AnthonyLeiserowitz,PhD YaleProgramonClimateChangeCommunicationanthony.leiserowitz@yale.eduEdwardMaibach,MPH,PhD GeorgeMasonUniversityCenterforClimateChangeCommunicationemaibach@gmu.edu ConnieRoser-Renouf,PhD GeorgeMasonUniversityCenterforClimateChangeCommunicationcroserre@gmu.eduSethRosenthal,PhD YaleProgramonClimateChangeCommunicationseth.rosenthal@yale.eduMatthewCutler,PhD YaleProgramonClimateChangeCommunicationmatthew.cutler@yale.eduJohnKotcher,PhD GeorgeMasonUniversityCenterforClimateChangeCommunicationjkotcher@gmu.eduCiteas:Leiserowitz,A.,Maibach,E.,Roser-Renouf,C.,Rosenthal,S.,Cutler,M.,&Kotcher,J.(2017).ClimatechangeintheAmericanmind:October2017.YaleUniversityandGeorgeMasonUniversity.NewHaven,CT:YaleProgramonClimateChangeCommunication.

http://climatecommunication.yale.edu/

http://climatecommunication.yale.edu/

https://www.climatechangecommunication.org/

https://www.climatechangecommunication.org/


ExecutiveSummaryThisreportdocumentsanupwardtrendinAmericans’concernaboutglobalwarming,asreflectedinseveralkeyindicatorstrackedsince2008,includingsubstantialincreasesinAmericans’certaintythatglobalwarmingishappeningandharmingpeopleintheUnitedStatesnow.ThepercentageofAmericansthatareveryworriedaboutglobalwarminghasmorethandoubledsinceitslowestpointin2011.IncreasingnumbersofAmericanssaytheyhavepersonallyexperiencedglobalwarmingandthattheissueispersonallyimportanttothem.Detailsontheseandothermeasuresofglobalwarmingbeliefsandattitudesaredescribedbelow:

• SevenintenAmericans(71%)thinkglobalwarmingishappening,anincreaseofeightpercentagepointssinceMarch2015.OnlyaboutoneineightAmericans(13%)thinkglobalwarmingisnothappening.Americanswhothinkglobalwarmingishappeningoutnumberthosewhothinkitisnotbymorethan5to1.

• Americansarealsobecomingcertainglobalwarmingishappening–47%are"extremely"or"very"sureitishappening,anincreaseof10percentagepointssinceMarch2015.Bycontrast,farfewer–7%–are"extremely"or"verysure"globalwarmingisnothappening.

• OverhalfofAmericans(54%)understandthatglobalwarmingismostlyhuman-caused.Bycontrast,oneinthree(33%)sayitisduemostlytonaturalchangesintheenvironment.

• OnlyaboutoneinsevenAmericans(15%)understandthatnearlyallclimatescientists(morethan90%)areconvincedthathuman-causedglobalwarmingishappening.

• MorethansixintenAmericans(63%)saytheyareatleast"somewhatworried"aboutglobalwarming.Aboutoneinfive(22%)are"veryworried"aboutit–thehighestlevelssinceoursurveysbegan,andtwicetheproportionthatwere"veryworried"inMarch2015.

• TwointhreeAmericansfeel"interested"inglobalwarming(67%),andmorethanhalffeel"disgusted"(55%)or"helpless"(52%).Fewerthanhalffeel"hopeful"(44%).

• NearlytwointhreeAmericans(64%)thinkglobalwarmingisaffectingweatherintheUnitedStates,andoneinthreethinkweatherisbeingaffected"alot"(33%),anincreaseof8percentagepointssinceMay2017.

• AmajorityofAmericansthinkglobalwarmingmadeseveralextremeeventsin2017worse,includingtheheatwavesinCalifornia(55%)andArizona(51%),hurricanesHarvey,Irma,andMaria(54%),andwildfiresinthewesternU.S.(52%).

• MorethanthreeinfourAmericans(78%)areinterestedinlearningabouthowglobalwarmingisorisnotaffectingextremeweatherevents.

• MorethanfourintenAmericans(44%)saytheyhavepersonallyexperiencedtheeffectsofglobalwarming,anincreaseof13percentagepointssinceMarch2015.

• FourintenAmericans(42%)thinkpeopleintheUnitedStatesarebeingharmedbyglobalwarming"rightnow."Theproportionthatbelievespeoplearebeingharmed"rightnow"hasincreasedby10percentagepointssinceMarch2015.


• HalfofAmericansthinkthey(50%)ortheirfamily(54%)willbeharmedbyglobalwarming.EvenmorethinkglobalwarmingwillharmpeopleintheU.S.(67%),theworld'spoororpeopleindevelopingcountries(both71%),futuregenerationsofpeople(75%)orplantandanimalspecies(75%).

• MostAmericansthinkglobalwarmingwillhavefutureimpacts,causingmoremeltingglaciers(67%),severeheatwaves(64%),droughtsandwatershortages(63%),floods(61%),andotherimpactsoverthenext20years.

• TwointhreeAmericans(67%)saytheissueofglobalwarmingiseither"extremely"(12%),"very"(19%),or"somewhat"(37%)importanttothempersonally,whileoneinthree(33%)sayitiseither"nottoo"(19%)or"notatall"(14%)importantpersonally.Theproportionthatsayitispersonallyimportanthasincreasedby11percentagepointssinceMarch2015.

• NearlyfourintenAmericans(38%)saytheydiscussglobalwarmingwithfamilyandfriends"often"or"occasionally,"anincreaseof12percentagepointssinceMarch2015.However,moresaythey"rarely"or"never"discussit(62%).Additionally,halfofAmericans(51%)saytheyhearaboutglobalwarminginthemediaatleastonceamonth,andoneinfour(25%)saytheyhearpeopletheyknowtalkaboutglobalwarmingatleastonceamonth.

• MorethanhalfofAmericans(54%)saytheyhavethought"alot"(22%)or"some"(32%)aboutglobalwarming.Fewersaytheyhavethoughtaboutglobalwarmingjust"alittle"(32%)or"notatall"(14%).

• FewAmericansareconfidentthathumanswillreduceglobalwarming.Nearlyhalf(48%)sayhumanscouldreduceglobalwarming,butit’sunclearatthispointwhetherwewilldowhatisnecessary,andoneinfour(25%)saywewon’treduceglobalwarmingbecausepeopleareunwillingtochangetheirbehavior.Only5%sayhumanscanandwillsuccessfullyreduceglobalwarming.

• LargemajoritiesofAmericansthinkofglobalwarmingasanenvironmental(78%),scientific(71%),agricultural(66%),severeweather(65%),health(62%),economic(60%),orpoliticalissue(60%).Fewerthinkitisamoral(41%),nationalsecurity(29%),poverty(28%),socialjustice(26%),orreligiousissue(9%).


1.GlobalWarmingBeliefs1.1.SevenintenAmericansthinkglobalwarmingishappening. Americanswhothinkglobalwarmingishappeningoutnumberthosewhothinkitisnotbymorethan5to1.SevenintenAmericans(71%)thinkglobalwarmingishappening.Bycontrast,onlyaboutoneineightAmericans(13%)thinkglobalwarmingisnothappening.ThepercentageofAmericanswhothinkglobalwarmingishappeninghasremainedsteadysinceMarch2016,andnowmatchesitshighestlevelsinceoursurveysbeganinNovember2008.

Do you think global warming is happening?

October 2017. Base: Americans 18+.

Note: Respondents who either said they “don’t know” or who did not answer the question are not

included in the chart. Percentages therefore sum to less than 100%.

Seven in Ten Americans Think

Global Warming Is Happening

71%

57% 61%

63% 62% 66%

70%

63% 62% 64%

66% 63%

67% 70% 70% 70% 71%

10%

20% 18% 18% 16%

14% 12%

16%

23% 19%

16% 18%

15% 11%

13% 13% 13%

0%

25%

50%

75%

100%

11/08 1/10 6/10 5/11 11/11 3/12 9/12 4/13 11/13 4/14 10/14 3/15 10/15 3/16 11/16 5/17 10/17

Think global warming is happening

Think global warming is NOT happening


1.2.NearlyhalfofAmericansaresureglobalwarmingishappening.Fewerthanoneintenaresureitisnothappening. Forty-sevenpercentofAmericansareeither"extremely"or"very"sureglobalwarmingishappening.Farfewer–7%–are"extremely"or"verysure"globalwarmingisnothappening.Thepercentagewhoaresureglobalwarmingishappeninghasrisensteadilyoverthepasttwoyears,andisnowatitshighestlevelsinceNovember2008.

Nearly Half of Americans Are Sure

Global Warming Is Happening- Certainty that global warming is happening at highest level since 2008 -

51%

33% 34% 34% 35% 35% 40%

37% 36% 40% 38% 37%

40% 43% 45% 46% 47%

5% 11% 9% 9% 9% 8%

5% 7% 12%

8% 9% 9% 8% 6% 7% 7% 7%

0%

25%

50%

75%

11/08 1/10 6/10 5/11 11/11 3/12 9/12 4/13 11/13 4/14 10/14 3/15 10/15 3/16 11/16 5/17 10/17

Extremely/Very sure global warming is happening

Extremely/Very sure global warming is NOT happening

How sure are you that global warming is/is not happening?



1.3.MorethanhalfofAmericansthinkglobalwarmingismostlyhuman-caused.The2014U.S.NationalClimateAssessment(writtenandreviewedbyhundredsofclimateexpertsoverthecourseoffouryears)states:"Theglobalwarmingofthepast50yearsisprimarilyduetohumanactivities,predominantlytheburningoffossilfuels.Manyindependentlinesofevidenceconfirmthathumanactivitiesareaffectingclimateinunprecedentedways"(p.15).1AmajorityofAmericans(54%)understandthatglobalwarmingismostlyhuman-caused,adecreaseoffourpercentagepointsfromourprevioussurveyinMay2017.Bycontrast,oneinthree(33%)sayitisduemostlytonaturalchangesintheenvironment,anincreaseofthreepercentagepointsfromMay.

1 http://nca2014.globalchange.gov/report

Assuming global warming is happening, do you think it is…


More Than Half of Americans Think Global Warming

Is Mostly Human-Caused

57%

46% 50%

47% 49% 46%

54% 49% 47%

52% 51% 52% 53% 54% 55% 58%

54%

32% 35% 34% 35%

32% 37%

32% 33% 36%

33% 33% 32% 33% 34% 30% 30%

33%

0%

25%

50%

75%

100%

11/08 1/10 6/10 5/11 11/11 3/12 9/12 4/13 11/13 4/14 10/14 3/15 10/15 3/16 11/16 5/17 10/17

Think global warming is caused mostly by human activities

Think global warming is caused mostly by natural changes in the environment

http://nca2014.globalchange.gov/report


1.4.OnlyaboutoneinsevenAmericansunderstandthatalmostallclimatescientists(morethan90%)haveconcludedhuman-causedglobalwarmingishappening.ArecentreviewstudybyJohnCookandcolleagues2foundthatsix,independent,peer-reviewedstudiesabouttheextentofthescientificconsensusaboutglobalwarminghavereachedsimilarconclusions:between90%and100%ofclimatescientistsareconvincedthathuman-causedclimatechangeishappening.Themostrigorousofthesestudiesfoundthat97%ofclimatescientistsareconvincedthathuman-causedclimatechangeishappening.OnlyaboutoneinsevenAmericans(15%)understandthatnearlyallclimatescientists(morethan90%)areconvincedthathuman-causedglobalwarmingishappening.Whileamajorityofthepublic(52%)believesthatmorethanhalfofclimatescientiststhinkhuman-causedglobalwarmingishappening,themostcommonresponse–givenbyoneinfourAmericans(24%)–isthatthey"don'tknow."3

2Cook,J.,Oreskes,N.,Doran,P.T.,Anderegg,W.R.I.,Verheggen,B.,Maibach,E.W.,Carlton,J.S.,Lewendowski,S.,Skuce,A.G.,Green,S.A.,Nuccitelli,D.,Jacobs,P.,Richardson,M.,Winkler,B.,Painting,R.,&Rice.,K.(2016).Consensusonconsensus:Asynthesisofconsensusestimatesonhuman-causedglobalwarming.EnvironmentalResearchLetters11(4).doi:10.1088/1748-9326/11/4/0480023Respondentswereaskedtoestimatethepercentageofclimatescientistswhohaveconcludedthathuman-causedglobalwarmingishappeningbymovingasimulated"sliderbar"whichappearedonthescreenoftheircomputer.Thissliderallowedrespondentstomovethemarkerfrom"0%"ontheleftto"100%ontheright,ortoanywholenumberbetweenthetwo.A"don’tknow"responseoptionappearedbelowthesliderbar.

To the best of your knowledge, what percentage of climate scientists think that human-caused global warming is

happening? Please click on the slider bar below to indicate your answer. You can slide the indicator to the position that

best describes your opinion. If the slider does not work, you can enter a number in the number box.

October 2017. Base: Americans 18+ (n=1,304).

Only About One in Seven Americans Understand That Almost All Climate Scientists (More Than 90%) Have Concluded

Human-Caused Global Warming Is Happening

1% 1%

5%

3%

13%

5% 5%

17%

10%

15%

24%

0%-10% 11%-20% 21%-30% 31%-40% 41%-50% 51%-60% 61%-70% 71%-80% 81%-90% 91%-100% DK/Ref.

http://iopscience.iop.org/article/10.1088/1748-9326/11/4/048002


Publicmisunderstandingofthescientificconsensus–whichhasbeenfoundineachofoursurveyssince2008–hassignificantconsequences.Otherresearchhasidentifiedpublicunderstandingofthescientificconsensusasanimportant"gatewaybelief"thatinfluencesotherimportantbeliefs(i.e.,globalwarmingishappening,human-caused,aseriousproblem,andsolvable)andsupportforaction.Formoreinformation,see:vanderLinden,S.L.,Leiserowitz,A.A.,Feinberg,G.D.,&Maibach,E.W.(2015).Thescientificconsensusonclimatechangeasagatewaybelief:Experimentalevidence.PLoSONE,10(2).doi:10.1371/journal.pone.0118489

http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0118489


2.EmotionalResponsestoGlobalWarming 2.1.MorethansixintenAmericansareworriedaboutglobalwarming;oneinfiveare"veryworried."MorethansixintenAmericans(63%)saytheyareatleast"somewhatworried"aboutglobalwarming,anincreaseof6percentagepointsfromourprevioussurveyinMay2017,andthehighestlevelsinceoursurveysbeganin2008.AboutoneinfiveAmericans(22%)are"veryworried,"afive-pointincreasesinceMay,andalsothehighestlevelsinceoursurveysbegan.

How worried are you about global warming?


More Than Six in Ten Americans Are Worried About

Global Warming; One in Five Are “Very Worried”

16% 11% 12% 9% 12% 11% 16% 14% 15% 15% 11% 11% 16% 16% 19% 17% 22%

46%

37% 41% 42% 41% 42% 42%

37% 38% 41% 45% 41% 41% 42% 42%

39% 42%

0%

25%

50%

75%

100%

11/08 1/10 6/10 5/11 11/11 3/12 9/12 4/13 11/13 4/14 10/14 3/15 10/15 3/16 11/16 5/17 10/17

Very worried Somewhat worried

62%

49%52% 51% 53% 53%

58%51% 53%

61% 63%55% 56%

52%57% 58% 57%


2.2.TwointhreeAmericansfeel"interested"inglobalwarming;halformorefeel"disgusted"or"helpless."Whenaskedhowstronglytheyfeelvariousemotionswhentheythinkaboutglobalwarming,twointhreeAmericans(67%)saytheyfeelveryormoderately"interested"init,followedbyhalformorewhosaytheyfeel"disgusted"(55%),or"helpless"(52%).FourintenormoreAmericansalsofeel"angry"(48%),"afraid"(47%),"hopeful"(44%),or"outraged"(43%)whentheythinkaboutglobalwarming.

How strongly do you feel each of the following emotions when you think about the issue of global warming?


Two in Three Americans Feel “Interested” In Global Warming; Half Or More Feel “Disgusted” Or “Helpless”

15%

7%

14%

16%

15%

22%

24%

28%

37%

34%

32%

37%

33%

43%

2

2

2

2

2

2

1

32%

39%

28%

28%

26%

25%

20%

23%

16%

22%

22%

20%

19%

12%

0% 50% 100%

Outraged

Hopeful

Afraid

Angry

Helpless

Disgusted

Interested

Very Moderately No answer Not very Not at all


Emotionalreactionstoglobalwarmingmaybefeltfordifferentreasons,andsignifydifferentmeaningsdependingonanindividual’sbeliefsaboutglobalwarming.Forinstance,someonewhothinksglobalwarmingishappeningmayfeel"disgusted"aboutitfordifferentreasonsthansomeonewhothinksglobalwarmingisnothappening.Forthatreason,welookedseparatelyatpeople’semotionalreactionstoglobalwarmingdependingonwhethertheythinkitishappening,don’tknowwhetherornotit’shappening,orthinkitisnothappening.Eightinten(81%)Americanswhothinkglobalwarmingishappeningsaytheyareveryormoderately"interested"init.Halformorefeelnegativeemotions,including"disgusted"(66%),"helpless"(63%),"afraid"(60%),and/or"angry"(59%).Slightlyfewerthanhalffeel"hopeful"(47%).

A Majority of Americans Who Think Global Warming is Happening Feel “Interested,” “Disgusted,” “Helpless,”

“Afraid,“ “Angry,” and/or “Outraged”- Fewer than half feel “hopeful” -

81%

66% 63% 60% 59% 53%

47% 40%

27%

36%

20% 20% 18%

42%

20% 26%

13% 9%

23% 17%

31%

0%

25%

50%

75%

100%

Interested Disgusted Helpless Afraid Angry Outraged Hopeful

Think global warming is happening (71%)Don't know if global warming is happening (15%)Think global warming is not happening (13%)

Percent Who Feel “Very” or “Moderately”…

How strongly do you feel each of the following emotions when you think about the issue of global warming?



3.PerceivedRisksofGlobalWarming3.1.IncreasingnumbersofAmericanssaytheyhavepersonallyexperiencedtheeffectsofglobalwarming.MorethanfourintenAmericans(44%)saytheyhavepersonallyexperiencedtheeffectsofglobalwarming,whileoverhalf(56%)saytheyhavenot.ThenumberofAmericanswhosaytheyhavepersonallyexperiencedtheeffectsofglobalwarmingisatitshighestlevelsinceoursurveysbeganin2008,andhasincreasedby14percentagepointsoverthepastthreeyears.

I have personally experienced the effects of global warming…


Increasing Numbers of Americans Say They Have Personally Experienced The Effects of Global Warming

- Up 14 percentage points since October 2014 -

32%

23%

29% 32%

35% 34% 38% 39%

33% 34% 30% 31%

39% 36% 40%

44%

66%

70% 68%

62% 57%

63% 61% 60%

66% 65%

70% 69%

60% 64%

60% 56%

0%

25%

50%

75%

100%

11/08 1/10 6/10 5/11 11/11 3/12 9/12 4/13 11/13 4/14 10/14 3/15 3/16 11/16 5/17 10/17

Agree (strongly/somewhat) Disagree (strongly/somewhat)

“I have personally experienced the effects of global warming”


3.2.FourintenAmericansthinkpeopleintheU.S.arebeingharmed"rightnow"byglobalwarming.AboutfourintenAmericans(42%)thinkpeopleintheU.S.arebeingharmedbyglobalwarming"rightnow,"thehighestlevelsinceoursurveysbeganin2008andsevenpercentagepointshigherthaninourMay2017survey.

When do you think global warming will start to harm people…?


Four in Ten Americans Think People in the U.S.

Are Being Harmed “Right Now” by Global Warming

33%

24% 28%

31% 29% 29%

36% 34% 34%

32% 33% 32% 34%

38% 36% 35%

42%

0%

25%

50%

75%

100%

11/08 1/10 6/10 5/11 11/11 3/12 9/12 4/13 11/13 4/14 10/14 3/15 10/15 3/16 11/16 5/17 10/17


3.3.HalfofAmericansthinktheyortheirfamilywillbeharmedbyglobalwarming,althoughtheythinkotherswillbeharmedmore.IncreasingnumbersofAmericansunderstandthatglobalwarmingwillcauseharm.Theyaremostlikelytothinkthatplantandanimalspecies(75%,+4percentagepointssinceourlastsurveyinMay2017),futuregenerationsofpeople(75%,+4points),peopleindevelopingcountries(71%,+9points),theworld’spoor(71%,+9points),andpeopleintheU.S.(67%,+9points)willbeharmeda"greatdeal"ora"moderateamount"byglobalwarming.Halformorealsothinkpeopleintheircommunity(55%,+7points),theirfamily(54%,+7points),andtheythemselves(50%,+7pointssinceMay2017)willbeharmed.Theselevelsofperceivedriskarethehighestsinceoursurveybeganin2008.

How much do you think global warming will harm…?


Half of Americans Think They or Their Family Will

Be Harmed By Global Warming- Think others will be harmed more -

16% 19% 21% 34%

49% 47% 54% 54% 33% 35% 34%

33% 21% 25%

21% 21%

0%

25%

50%

75%

100%

You personally Your family People in your

community

People in the

U.S

The world's poor People in

developing

countries

Future

generations of

people

Plant/animal

species

…a great deal of harm …a moderate amount of harm

55%50%

75%75%

54%

71%

“Global warming will cause…”

67%71%


3.4.MostAmericansthinkglobalwarmingwillhavefutureimpacts.ThemajorityofAmericansthinkglobalwarmingwillhavesignificantimpactsoverthenext20years.Sixintenormorethinkglobalwarmingwillcausemoremeltingglaciers(67%),severeheatwaves(64%),droughtsandwatershortages(63%),floods(61%),severeairpollution(60%),orintensehurricanes(60%).Atleasthalfthinkglobalwarmingwillcausemoreforestfires(59%),extinctionofplantandanimalspecies(59%),faminesandfoodshortages(58%),orabandoningoflargecoastalcitiesduetorisingsealevels(52%).Whenaskedwhichoneimpacttheyaremostworriedabout,Americanssaydroughtsandwatershortages(12%),meltingglaciers(10%),extinctions(9%),intensehurricanes(8%),andfaminesandfoodshortages(8%).

Most Americans Think Global Warming

Will Have Future Impacts

27% 22% 26%

31% 31% 36% 38% 37% 36% 37% 40% 43%

18% 23%

26%

27% 28% 23% 22% 24% 24% 26% 24%

24%

0%

25%

50%

75%

100%

Refugees Disease

epidemics

Abandoning

coastal

cities

Famines &

food

shortages

Extinctions

of plants &

animals

Forest fires Intense

hurricanes

Severe air

pollution

Floods Droughts &

water

shortages

Severe heat

waves

Melting

glaciers

Many more A few more

58%

45%

67%64%

52%

63%

% “most worried”:

45%

59% 59%

1% 3% 5% 8% 9% 2% 8% 6% 3% 12% 6% 10%

“Over the next 20 years, global warming will cause more…”

60% 60%

• Worldwide, over the next 20 years, do you think global warming will cause more or less of the following, if nothing is done to address it…?

• [Of those with “many more” or “a few more” selected]:

Which one of these impacts of global warming are you most worried about?


61%


4.PersonalandSocialEngagementwithGlobalWarming4.1.NearlyfourintenAmericanssaytheydiscussglobalwarmingwithfamilyandfriends"often"or"occasionally." Thirty-eightpercentofAmericanssaytheydiscussglobalwarmingwithfamilyandfriendsatleastoccasionally,anincreaseof5percentagepointssinceourlastsurveyinMay2017.

Nearly Four in Ten Americans Say They Discuss Global

Warming With Family and Friends “Often” or “Occasionally”

40% 34% 35%

30% 30% 29% 29% 33%

26% 32%

27% 26%

35% 31% 33% 33%

38%

60% 64% 64%

69% 68% 70% 71% 67%

73% 68%

73% 74%

65% 69% 67% 67%

62%

0%

25%

50%

75%

100%

11/08 1/10 6/10 5/11 11/11 3/12 9/12 4/13 11/13 4/14 10/14 3/15 10/15 3/16 11/16 5/17 10/17

...often/occasionally ...rarely/never“Discuss global warming with family and friends…”

How often do you discuss global warming with your family and friends?



4.2.HalfofAmericanssaytheyhearaboutglobalwarminginthemediaatleastonceamonth;oneinfoursaytheyhearpeopletheyknowtalkingaboutitatleastonceamonth.HalfofAmericans(51%)saytheyhearaboutglobalwarminginthemediaonceamonthormorefrequently,anincreaseof8percentagepointssinceourlastsurveyinMay2017.AboutoneinthreeAmericans(32%)saytheyhearaboutglobalwarminginthemediaonlyseveraltimesayearorless,andanadditional3%saytheyneverhearaboutit.OneinfourAmericans(25%,+6percentagepoints)saytheyhearpeopletheyknowtalkingaboutglobalwarmingonceamonthormore.Incontrast,45%saytheyhearpeopletheyknowtalkingaboutitonlyseveraltimesayearorless,andaboutoneinfive(18%,adecreaseof10percentagepoints)saytheyneverhearpeopletheyknowtalkaboutglobalwarming.

Half of Americans Say They Hear AboutGlobal Warming in the Media at Least Once a Month

- One in four say they hear people they know talking about it at least once a month -

7%

24%

17%

28%

24%

25%

21%

7%

18%

3

12%

13%

0% 50% 100%

Hear people I know talking about global warming

Hear about global warming in the media

At least once a week At least once a monthSeveral times a year Once a year or less oftenNever Not sure/no answer

• About how often do you hear about global warming in the media (TV, movies, radio, newspapers/news websites, magazines, etc.)?

• About how often do you hear other people you know (your family, friends, co-workers, etc.) talk about global warming?



4.3.OneinthreeAmericanssaytheysharenewsstoriesaboutglobalwarmingonsocialmedia.OneinthreeAmericans(34%)saytheysharenewsstoriesaboutglobalwarmingonsocialmedia,includingoneinfive(20%)whosaytheysharestorieseveryfewweeksand14%whosaytheydosoonceaweekormoreoften.TwointhreeAmericans(65%)saytheynevershareanewsstory,headline,orstoryaboutglobalwarmingonsocialmedia.

Two in Three Americans Never Share News StoriesAbout Global Warming on Social Media

Once a week (6%)

Several times a day (1%)

Every few weeks (20%)

Never (65%)

Almost every day (2%)

When you use social media, how often do you share a news story, headline, or story about global warming that

you have read or seen on other websites?


Every few days (5%)


4.4.TheissueofglobalwarmingispersonallyimportanttotwointhreeAmericans. TwointhreeAmericans(67%)saytheissueofglobalwarmingiseither"extremely"(12%),"very"(19%),or"somewhat"(37%)importanttothempersonally,thehighestlevelssinceourfirstsurveyin2008.Oneinthree(33%)sayglobalwarmingiseither"nottoo"(19%)or"notatall"(14%)importantpersonally.

The Issue of Global Warming Is Personally Important to Two in Three Americans

70%

56% 62% 60% 59% 60% 60% 58% 55%

63% 58% 56%

62% 61% 61% 63% 67%

29%

42% 38% 38% 39% 38% 40% 42% 44%

37% 42% 44%

38% 39% 39% 37% 33%

0%

25%

50%

75%

100%

11/08 1/10 6/10 5/11 11/11 3/12 9/12 4/13 11/13 4/14 10/14 3/15 10/15 3/16 11/16 5/17 10/17

Extremely/Very/Somewhat important Nottoo/Notatallimportant

How important is the issue of global warming to you personally?



4.5.MorethanhalfofAmericanshavethoughtaboutglobalwarmingatleast"some." MorethanhalfofAmericanssaytheyhavethoughtaboutglobalwarmingbeforetodayeither"alot"(22%,fourpercentagepointshigherthaninMay2017)or"some"(32%).Fewersaytheyhavethoughtaboutglobalwarmingjust"alittle"(32%)or"notatall"(14%).

More Than Half of Americans Have

Thought About Global Warming At Least “Some”

How much had you thought about global warming before today?


A lot (22%)

Some (32%)

A little (32%)

Not at all (14%)

How much had you thought about global warming before today?


5.CanHumansReduceGlobalWarming?5.1.AmajorityofAmericansthinkhumanscanreduceglobalwarming;butfewareoptimisticthatwewill.NearlyhalfofAmericans(48%)sayhumanscouldreduceglobalwarming,butit’sunclearatthispointwhetherwewilldowhatisnecessary.Only5%sayhumanscanandwillsuccessfullyreduceglobalwarming.Oneinfour(25%)saywewon’tbecausepeopleareunwillingtochangetheirbehavior,and15%sayhumanscan’treduceglobalwarmingevenifitishappening.

Humans can’t reduce global warming, even if it is happening (15%)

Humans can reduce global warming and we are going to do so successfully (5%)Global warming isn’t happening (7%)

Humans could reduce global warming, but it’s unclear at this point whether we will do what’s necessary (48%)

Which of the following comes closest to your view?

Humans could reduce global warming, but people aren’t willing to change their behavior, so we’re not going to (25%)

Which of the following comes closest to your view?


A Majority of Americans Think Humans

Can Reduce Global Warming- But few are optimistic that we will -


6.HowAmericansConceptualizeGlobalWarming6.1.Americansaremostlikelytothinkofglobalwarmingasanenvironmentaland/orscientificissue.Globalwarmingisacomplexchallengewithmanydimensions.Understandinghowpeopleconceptualizetheissueiscriticaltoformulatingeffectivecommunicationstrategies.TobetterunderstandhowAmericansthinkaboutglobalwarming,weaskedrespondentstoindicatewhatkindofissue,ifany,theyconsiderittobe:environmental,scientific,economic,health,moral,religious,etc.AlargemajorityofAmericans(78%)sayglobalwarmingisanenvironmentalissue,andseveninten(71%)sayitisascientificissue.Majoritiesalsosayglobalwarmingisanagricultural(66%),severeweather(65%),health(62%),economic(60%),and/orpolitical(60%)issue.Fewerconsiderglobalwarmingamoral(41%),nationalsecurity(29%),poverty(28%),socialjustice(26%),orreligiousissue(9%).

Americans Are Most Likely to Think of Global Warming as an Environmental and/or Scientific Issue

In your opinion, do you think global warming is a(n)…


9%

26%

28%

29%

41%

60%

60%

62%

65%

66%

71%

78%

15%

22%

20%

21%

17%

16%

17%

16%

16%

15%

14%

12%

77%

51%

52%

50%

42%

24%

23%

23%

19%

19%

15%

11%

0% 50% 100%

Religious issueSocial justice (fairness) issue

Poverty issueNational security issue

Moral issuePolitical issue

Economic issueHealth issue

Severe weather issueAgricultural (farming, food) issue

Scientific issueEnvironmental issue

Yes Not sure/no answer NoDo you think global warming is a(n)…


7.GlobalWarmingandSevereWeather7.1.NearlytwointhreeAmericansthinkglobalwarmingisaffectingweatherintheUnitedStates.Asreportedintheprevioussection,abouttwointhreeAmericans(65%)thinkglobalwarmingisasevereweatherissue(seep.23).Similarly,64%ofAmericansthinkglobalwarmingisaffectingweatherintheUnitedStates,includingmorethanhalf(56%)whoeitherthinkglobalwarmingisaffectingU.S.weather"alot"(33%)or"some(23%).

Nearly Two in Three Americans ThinkGlobal Warming Is Affecting Weather in the United States

Not affecting weather (6%)

Affecting weather “a lot” (33%)

Not happening (8%)

Don’t know if affecting weather/No response (22%)

Affecting weather “some” (23%)

“Global warming is…”

Affecting weather “a little”/”don’t know how much” (8%)

• Which statement best reflects your view…? (a) Global warming is affecting weather in the U.S.; (b) Global warming is not affecting weather in the U.S.; (c) Global warming isn’t happening; (d) Don’t know; (e) Prefer not to answer.

• [If (a) selected]: How much do you think global warming is affecting weather in the U.S.?



ThepercentageofAmericanswhothinkglobalwarmingisaffectingweatherintheUnitedStateshasincreasedsinceourlastsurveyinMay2017.Thepercentagewhosayglobalwarmingisaffectingtheweather"alot"increasedbyeightpercentagepointssinceMay,andisatitshighestlevelsincewefirstaskedthequestionin2013.

• Which statement best reflects your view…? (a) Global warming is affecting weather in the United States; (b) Global warming is not affecting weather in the United States; (c) Global warming isn’t happening; (d) Don’t know; (e) Prefer not to answer.

• If (a) selected: How much do you think global warming is affecting weather in the United States?October 2017. Base: Americans 18+.

One in Three Americans Think Global Warming Is

Affecting Weather in the U.S. “A Lot”

23% 22% 22% 24% 24% 25% 33%

0%

25%

50%

75%

100%

4/13 11/13 4/14 3/16 11/16 5/17 11/17

Think global warming is affecting weather in the U.S. "a lot"


7.2.AmajorityofAmericansthinkglobalwarmingmadeseveralextremeeventsin2017worse.AmajorityofAmericansthinkglobalwarmingmadeseveralextremeweathereventsin2017worse,includingtheheatwaveinnorthernCaliforniainSeptember(55%;23%"alot"worse),hurricanesHarvey,Irma,andMaria(54%;28%"alot"),thesummerandfallwildfiresinthewesternU.S.(52%;25%"alot"),andtheheatwavethatgroundedplanesinPhoenix,ArizonainJune(51%;19%"alot").Aboutoneinfour(27%)think,incorrectly,thatglobalwarmingmadetheSeptemberearthquakeinMexicoCityworse.

• Do you think global warming made each of the following worse or not…?

• [If “yes” selected]: Do you think global warming made each of the following a little worse, moderately worse or a lot worse?


The Majority of Americans Think Global Warming MadeSeveral Extreme Weather Events in 2017 Worse

13%

19%

25%

28%

23%

8%

20%

16%

17%

20%

6%

12%

11%

9%

12%

32%

30%

24%

26%

26%

42%

20%

23%

21%

19%

0% 50% 100%

Earthquake in Mexico

Heat wave that grounded planes in Phoenix

Wildfires in western U.S.

Hurricanes Harvey, Irma, and Maria

September heat wave in Northern California

A lot worse Moderately worse A little worse/DK how much Don't know/No response Not worse


7.3.MostAmericansareinterestedinlearningabouthowglobalwarmingisorisnotaffectingextremeweatherevents.MorethanthreeinfourAmericans(78%)areeither"very"interested(22%),"moderately"interested(30%),or"alittle"interested(25%)inlearningmoreabouthowglobalwarmingisorisnotaffectingextremeweatherevents.Aboutoneinfive(22%)arenotinterested.

Most Americans Are Interested In Learning About How Global Warming Is Or Is Not Affecting Extreme Weather Events

How interested would you be in learning more about how global warming is or is not affecting extreme weather events?


Very interested (22%)

Moderately interested (30%)A little interested (25%)

Not at all interested (22%)

No response (1%)


AppendixI:DataTables(Base:Americans18+)Recently,youmayhavenoticedthatglobalwarminghasbeengettingsomeattentioninthenews.Globalwarmingreferstotheideathattheworld’saveragetemperaturehasbeenincreasingoverthepast150years,maybeincreasingmoreinthefuture,andthattheworld’sclimatemaychangeasaresult.Whatdoyouthink:Doyouthinkthatglobalwarmingishappening?

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,330) (1,263) (1,275) (1,013) (830) (1,045) (1,061) (1,008) (1,000) (1,010) (1,024) (1,001) (2,164)

% % % % % % % % % % % % % % % % %

Yes 71 70 70 70 67 63 66 64 62 63 70 66 62 63 61 57 71

No 13 13 13 11 15 18 16 19 23 16 12 14 16 18 18 20 10

Don’tknow 15 16 17 18 18 19 18 17 14 20 18 20 20 18 21 23 19

(Base:Americans18+whosayglobalwarmingishappening)Howsureareyouthatglobalwarmingishappening?

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (927) (889) (859) (855) (899) (793) (815) (649) (521) (674) (722) (658) (619) (614) (622) (558) (1,745)

% % % % % % % % % % % % % % % % %

Extremelysure 34 31 35 30 28 27 24 30 27 27 27 19 22 21 20 24 35

Verysure 32 34 30 31 32 32 35 32 31 33 30 34 35 33 36 35 37

Somewhatsure 32 33 32 34 37 38 38 33 39 37 40 42 39 40 40 37 24

Notatallsure 2 2 4 4 3 3 4 5 3 4 3 5 5 6 3 5 4


(Base:Americans18+whosayglobalwarmingisnothappening)Howsureareyouthatglobalwarmingisnothappening?

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (178) (169) (155) (144) (215) (251) (228) (196) (179) (164) (160) (156) (175) (188) (199) (227) (301)

% % % % % % % % % % % % % % % % %

Extremelysure 19 26 24 20 21 21 23 15 20 18 15 15 21 21 20 28 26

Verysure 33 26 29 37 32 31 30 26 35 28 27 41 37 30 31 31 28

Somewhatsure 39 41 39 34 36 37 35 47 36 42 45 35 37 38 44 34 38

Notatallsure 9 7 8 9 12 11 11 12 9 12 13 8 5 11 4 7 8

(Base:Americans18+)Assumingglobalwarmingishappening,doyouthinkitis…

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,330) (1,263) (1,275) (1,013) (830) (1,045) (1,061) (1,008) (1,000) (1,010) (1,024) (1,001) (2,164)

% % % % % % % % % % % % % % % % %

Causedmostlybyhumanactivities

54 58 55 54 53 52 51 52 47 49 54 46 49 47 50 46 57

Causedmostlybynaturalchangesintheenvironment

33 30 30 34 33 32 33 33 36 33 32 37 32 35 34 35 32

Neitherbecauseglobalwarmingisn’thappening

6 6 8 7 8 10 9 8 8 8 7 5 8 8 6 9 4

Other(pleasespecify),causedbyhumanactivitiesandnaturalchanges

6 6 5 5 5 5 6 5 9 7 5 9 6 7 7 6 5

Other(pleasespecify),unclassified

1 1 1 1 1 2 1 1 3 2 1 2 2 1 1 1 1


(Base:Americans18+)Tothebestofyourknowledge,whatpercentageofclimatescientiststhinkthathuman-causedglobalwarmingishappening?Pleaseclickonthesliderbarbelowtoindicateyouranswer.Youcanslidetheindicatortothepositionthatbestdescribesyouropinion.Iftheindicatordoesnotwork,youcanenteranumberinthenumberbox.

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

Oct2014

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,330) (1,263) (1,275)

% % % % % % %

0%-10% 1 2 2 1 2 1 1

11%-20% 1 1 1 1 2 1 1

21%-30% 5 4 7 4 4 4 4

31%-40% 3 3 3 2 2 2 2

41%-50% 13 13 13 13 12 14 15

51%-60% 5 7 6 6 5 6 7

61%-70% 5 6 7 8 6 8 7

71%-80% 17 14 17 15 18 15 17

81%-90% 10 10 9 8 10 8 7

91%-100% 15 13 15 11 12 9 9

Don’tknowenoughtosay 24 28 21 32 27 31 30

Ofthosewhoprovidedanestimate:

Mean 68 67 66 67 67 64 65

Median 75 73 74 71 74 68 67


(Base:Americans18+)Howworriedareyouaboutglobalwarming?

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,330) (1,263) (1,275) (1,013) (830) (1,045) (1,061) (1,008) (1,000) (1,010) (1,024) (1,001) (2,164)

% % % % % % % % % % % % % % % % %

Veryworried 22 17 19 16 16 11 11 15 15 14 16 11 12 9 12 11 16

Somewhatworried 42 39 42 42 41 41 45 41 38 37 42 42 41 42 41 37 46

Notveryworried 23 27 24 25 27 29 25 27 25 30 25 30 30 28 30 27 24

Notatallworried 14 17 15 18 16 19 18 18 20 19 17 16 15 20 18 22 13

(Base:Americans18+)Howstronglydoyoufeeleachofthefollowingemotionswhenyouthinkabouttheissueofglobalwarming?Interested

Oct2017

Nov2016

March2016

Oct2015

GlobalWarmingisHappening,Oct2017

Don’tKnowifGlobal

WarmingisHappening,Oct2017

GlobalWarmingis

NotHappening,Oct2017

(Unweightedbase) (1,304) (1,226) (1,204) (1,330) (927) (199) (178)

% % % % % % %

Very 24 23 22 23 32 2 6

Moderately 43 43 45 43 49 39 15

Notvery 20 15 16 19 14 35 33

Notatall 12 18 16 14 3 24 46


(Base:Americans18+)Howstronglydoyoufeeleachofthefollowingemotionswhenyouthinkabouttheissueofglobalwarming?(Cont'd.)Disgusted

Oct2017

Nov2016

March2016


Don’tKnowifGlobal


GlobalWarmingis


(Unweightedbase) (1,304) (1,226) (1,204) (927) (199) (178)

% % % % % %

Very 22 15 14 27 7 12

Moderately 33 28 34 39 20 14

Notvery 25 28 25 24 36 18

Notatall 19 28 26 9 35 54

Helpless

Oct2017

Nov2016

March2016

Oct2015


Don’tKnowifGlobal


GlobalWarmingis


(Unweightedbase) (1,304) (1,226) (1,204) (1,330) (927) (199) (178)

% % % % % % %

Very 15 12 13 14 18 10 3

Moderately 37 34 36 39 45 26 10

Notvery 26 26 23 25 26 33 20

Notatall 20 26 27 21 10 28 66


(Base:Americans18+)Howstronglydoyoufeeleachofthefollowingemotionswhenyouthinkabouttheissueofglobalwarming?(Cont'd.)Angry

Oct2017

Nov2016

March2016


Don’tKnowifGlobal


GlobalWarmingis


(Unweightedbase) (1,304) (1,226) (1,204) (927) (199) (178)

% % % % % %

Very 16 12 12 20 3 8

Moderately 32 26 29 39 17 15

Notvery 28 31 29 28 39 17

Notatall 22 30 29 11 40 59

Afraid

Oct2017

Nov2016

March2016


Don’tKnowifGlobal


GlobalWarmingis


(Unweightedbase) (1,304) (1,226) (1,204) (927) (199) (178)

% % % % % %

Very 14 12 11 18 1 3

Moderately 34 30 31 42 19 6

Notvery 28 27 26 27 40 21

Notatall 22 29 30 11 37 67


(Base:Americans18+)Howstronglydoyoufeeleachofthefollowingemotionswhenyouthinkabouttheissueofglobalwarming?(Cont'd.)Hopeful

Oct2017

Nov2016

March2016

Oct2015


Don’tKnowifGlobal


GlobalWarmingis


(Unweightedbase) (1,304) (1,226) (1,204) (1,330) (927) (199) (178)

% % % % % % %

Very 7 11 10 11 8 4 9

Moderately 37 38 38 39 39 37 22

Notvery 39 30 30 32 42 34 23

Notatall 16 21 20 17 9 22 45

Outraged

Oct2017

Nov2016

March2016


Don’tKnowifGlobal


GlobalWarmingis


(Unweightedbase) (1,304) (1,226) (1,204) (927) (199) (178)

% % % % % %

Very 15 12 12 19 3 9

Moderately 28 24 29 34 15 8

Notvery 32 32 28 31 44 20

Notatall 23 31 30 13 37 61


(Base:Americans18+)Howmuchdoyouagreewiththefollowingstatements?Ihavepersonallyexperiencedtheeffectsofglobalwarming.

Oct2017

May2017

Nov2016

March2016

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,263) (1,275) (1,013) (830) (1,045) (1,061) (1,008) (1,000) (1,010) (1,024) (1,001) (2,164)

% % % % % % % % % % % % % % % %

Strongly/SomewhatAgree 44 40 36 39 31 30 34 33 39 38 34 35 32 29 23 32

StronglyAgree 8 5 7 7 4 4 5 6 6 4 5 7 5 5 4 4

SomewhatAgree 36 34 29 33 27 26 29 27 33 34 30 28 27 24 19 28

Strongly/SomewhatDisagree 56 60 64 60 69 70 65 66 60 61 63 57 62 68 70 66

SomewhatDisagree 30 29 29 29 29 29 29 30 29 30 30 34 32 34 32 42

StronglyDisagree 26 31 35 31 40 41 35 36 31 31 33 23 30 34 37 24

(Base:Americans18+)WhendoyouthinkglobalwarmingwillstarttoharmpeopleintheUnitedStates?

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,330) (1,263) (1,275) (1,013) (830) (1,045) (1,061) (1,008) (1,000) (1,010) (1,024) (1,001) (2,164)

% % % % % % % % % % % % % % % % %

Theyarebeingharmedrightnow

42 35 36 38 34 32 33 32 34 34 36 29 29 31 28 24 33

In10years 12 11 14 12 13 11 10 9 10 11 13 12 10 11 12 12 13

In25years 12 13 15 13 14 13 14 14 14 12 11 14 13 13 12 14 13

In50years 11 13 10 12 11 11 12 15 11 12 12 14 15 12 13 13 13

In100years 11 13 9 10 11 13 13 14 12 13 13 15 15 11 15 13 12

Never 12 15 16 14 18 20 18 16 18 17 15 16 16 19 19 23 15


(Base:Americans18+)Howmuchdoyouthinkglobalwarmingwillharm…?Youpersonally

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,330) (1,263) (1,275) (1,013) (830) (1,045) (1,061) (1,008) (1,000) (1,010) (1,024) (1,001) (2,164)

% % % % % % % % % % % % % % % % %

Agreatdeal 16 13 14 12 14 10 12 13 13 15 16 11 9 11 10 14 10

Amoderateamount 33 29 27 28 27 26 24 25 25 25 26 18 21 18 21 23 22

Onlyalittle 24 26 25 24 26 26 26 26 27 26 25 30 28 27 27 22 24

Notatall 19 22 25 23 20 25 27 25 26 23 20 29 25 25 24 31 22

Don’tknow 7 9 8 12 12 13 11 11 8 11 13 11 17 17 18 11 23

Yourfamily

Oct2017

May2017

Nov2016

March2016

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,263) (1,275) (1,013) (830) (1,045) (1,061) (1,008) (1,000) (1,010) (1,024) (1,001) (2,164)

% % % % % % % % % % % % % % % %

Agreatdeal 19 16 17 15 13 15 16 17 17 18 12 10 12 11 15 11

Amoderateamount 35 31 30 30 28 28 27 25 27 28 21 24 21 25 25 24

Onlyalittle 22 25 24 22 23 23 24 25 23 23 29 27 25 24 21 23

Notatall 16 19 21 21 22 23 21 24 20 17 26 21 23 21 28 19

Don’tknow 8 9 8 12 13 11 11 9 12 14 12 18 17 19 11 23


(Base:Americans18+)Howmuchdoyouthinkglobalwarmingwillharm…?(Cont’d.)Peopleinyourcommunity

Oct2017

May2017

Nov2016

March2016

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,263) (1,275) (1,013) (830) (1,045) (1,061) (1,008) (1,000) (1,010) (1,024) (1,001) (2,164)

% % % % % % % % % % % % % % % %

Agreatdeal 21 16 19 15 14 16 17 14 17 19 12 11 12 11 15 13


Onlyalittle 22 23 22 23 24 23 24 24 23 23 29 27 25 24 22 20

Notatall 15 18 20 19 20 22 20 23 18 15 24 21 21 21 24 17

Don’tknow 8 10 9 12 14 11 11 10 13 13 13 18 18 19 12 23

PeopleintheUnitedStates

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,330) (1,263) (1,275) (1,013) (830) (1,045) (1,061) (1,008) (1,000) (1,010) (1,024) (1,001) (2,164)

% % % % % % % % % % % % % % % % %

Agreatdeal 34 25 28 24 23 19 23 23 23 22 26 18 15 16 16 22 21


Onlyalittle 14 19 17 16 18 20 20 18 19 19 17 24 23 22 22 16 15

Notatall 11 15 15 15 14 17 17 18 20 16 12 18 17 17 17 22 14

Don’tknow 7 9 8 10 12 14 11 11 8 12 13 12 16 18 18 12 22


(Base:Americans18+)Howmuchdoyouthinkglobalwarmingwillharm…?(Cont’d.)Theworld’spoor

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,330) (1,263)

% % % % % %

Agreatdeal 49 39 43 40 36 30

Amoderateamount 21 23 21 22 26 23

Onlyalittle 10 15 11 12 12 16

Notatall 10 13 13 13 13 16

Don’tknow 9 10 12 14 13 15

Peopleindevelopingcountries

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,330) (1,263) (1,275) (1,013) (830) (1,045) (1,061) (1,008) (1,000) (1,010) (1,024) (1,001) (2,164)

% % % % % % % % % % % % % % % % %

Agreatdeal 47 37 40 36 34 27 29 31 32 30 35 26 22 23 22 29 31


Onlyalittle 10 16 12 12 13 17 16 17 17 18 10 19 17 19 17 14 11

Notatall 10 13 13 13 13 15 17 16 19 13 11 16 15 16 15 19 13

Don’tknow 9 9 11 12 13 15 12 12 9 13 15 14 18 18 18 13 24


(Base:Americans18+)Howmuchdoyouthinkglobalwarmingwillharm…?(Cont’d.)Futuregenerationsofpeople

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,330) (1,263) (1,275) (1,013) (830) (1,045) (1,061) (1,008) (1,000) (1,010) (1,024) (1,001) (2,164)

% % % % % % % % % % % % % % % % %

Agreatdeal 54 50 53 48 51 42 46 49 46 42 47 43 40 36 39 42 44


Onlyalittle 8 10 9 8 8 10 11 10 11 12 9 12 13 10 11 9 7

Notatall 9 11 10 10 11 12 13 12 15 12 8 11 10 11 12 15 10

Don’tknow 8 8 10 11 11 15 13 11 9 12 14 13 16 18 16 12 22

Plantandanimalspecies

Oct2017

May2017

Nov2016

March2016

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,263) (1,275) (1,013) (830) (1,045) (1,061) (1,008) (1,000) (1,010) (1,024) (1,001) (2,164)

% % % % % % % % % % % % % % % %

Agreatdeal 54 49 50 48 42 44 47 46 39 43 43 41 38 40 43 45


Onlyalittle 9 10 10 9 12 10 12 11 13 11 13 16 12 12 11 8

Notatall 8 11 11 11 12 13 12 15 13 8 10 10 12 13 15 9

Don’tknow 8 8 9 10 13 12 11 8 10 13 12 15 17 15 12 20


(Base:Americans18+)Worldwide,overthenext20years,doyouthinkglobalwarmingwillcausemoreorlessofthefollowing,ifnothingisdonetoaddressit?Refugees

Diseaseepidemics

Oct2017

(Unweightedbase) (1,304)

%

Manymore 27

Afewmore 18

Nodifference 25

Afewless 2

Manyless 1

Don’tknow 25

Oct2017


%

Manymore 22

Afewmore 23

Nodifference 24

Afewless 2

Manyless 1

Don’tknow 26


Worldwide,overthenext20years,doyouthinkglobalwarmingwillcausemoreorlessofthefollowing,ifnothingisdonetoaddressit?(Cont'd.)Abandoninglargecoastalcitiesduetorisingsealevels

Faminesandfoodshortages

Oct2017


%

Manymore 26

Afewmore 26

Nodifference 22

Afewless 2

Manyless 1

Don’tknow 21

Oct2017


%

Manymore 31

Afewmore 27

Nodifference 17

Afewless 1

Manyless 1

Don’tknow 20


Worldwide,overthenext20years,doyouthinkglobalwarmingwillcausemoreorlessofthefollowing,ifnothingisdonetoaddressit?(Cont'd.)Extinctionsofplantandanimalspecies

Forestfires

Oct2017


%

Manymore 31

Afewmore 28

Nodifference 17

Afewless 1

Manyless 1

Don’tknow 20

Oct2017


%

Manymore 36

Afewmore 23

Nodifference 18

Afewless 1

Manyless 1

Don’tknow 19


Worldwide,overthenext20years,doyouthinkglobalwarmingwillcausemoreorlessofthefollowing,ifnothingisdonetoaddressit?(Cont'd.)Intensehurricanes

Severeairpollution

Oct2017


%

Manymore 38

Afewmore 22

Nodifference 17

Afewless 1

Manyless 1

Don’tknow 19

Oct2017


%

Manymore 37

Afewmore 24

Nodifference 17

Afewless 2

Manyless 1

Don’tknow 18


Worldwide,overthenext20years,doyouthinkglobalwarmingwillcausemoreorlessofthefollowing,ifnothingisdonetoaddressit?(Cont'd.)Floods

Droughtsandwatershortages

Oct2017


%

Manymore 36

Afewmore 24

Nodifference 16

Afewless 1

Manyless 1

Don’tknow 19

Oct2017


%

Manymore 37

Afewmore 26

Nodifference 15

Afewless 1

Manyless 1

Don’tknow 17


Worldwide,overthenext20years,doyouthinkglobalwarmingwillcausemoreorlessofthefollowing,ifnothingisdonetoaddressit?(Cont'd.)Severeheatwaves

Meltingglaciers

Oct2017


%

Manymore 40

Afewmore 24

Nodifference 15

Afewless 1

Manyless 1

Don’tknow 17

Oct2017


%

Manymore 43

Afewmore 24

Nodifference 13

Afewless 1

Manyless 1

Don’tknow 15


[Respondentswerepresentedalistofimpactsforwhichtheyselected"manymore"or"afewmore."Ifonlyoneimpactwasendorsed,itwasautomaticallyenteredastheimpactmostworriedabout.Ifnoimpactswereendorsed,thisquestionwasnotasked.] Whichoneoftheseimpactsofglobalwarmingareyoumostworriedabout?

Oct2017


%

Notasked(noresponseof"manymore"or"afewmore"foranyoftheimpacts) 27

Droughtsandwatershortages 12

Meltingglaciers 9

Extinctionsofplantsandanimalspecies 9

Intensehurricanes 8

Faminesandfoodshortages 8

Severeairpollution 6

Severeheatwaves 6

Abandoninglargecoastalcitiesduetorisingsealevels 5

Floods 3

Diseaseepidemics 3

Forestfires 2

Refugees 1


(Base:Americans18+)Howoftendoyoudiscussglobalwarmingwithyourfamilyandfriends?

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,330) (1,263) (1,275) (1,013) (830) (1,045) (1,061) (1,008) (1,000) (1,010) (1,024) (1,001) (2,164)

% % % % % % % % % % % % % % % % %

Often 6 5 6 4 5 3 3 4 3 4 3 5 4 4 5 5 5

Occasionally 32 28 27 27 30 23 24 28 23 28 26 24 26 26 30 29 35

Rarely 37 36 36 36 33 38 36 39 38 39 38 40 39 41 39 34 33

Never 25 31 31 32 32 36 37 29 34 28 34 30 29 28 25 30 26

(Base:Americans18+)Abouthowoftendoyouhearaboutglobalwarminginthemedia(TV,movies,radio,newspapers/newswebsites,magazines,etc.)?

Oct2017

May2017

(Unweightedbase) (1,304) (1,266)

% %

Atleastonceaweek 24 23

Atleastonceamonth 28 20

Severaltimesayear 25 26

Onceayearorlessoften 7 9

Never 3 9

Notsure/Noanswer 13 13


(Base:Americans18+)Abouthowoftendoyouhearotherpeopleyouknow(yourfamily,friends,co-workers,etc.)talkaboutglobalwarming?

Oct2017

May2017

(Unweightedbase) (1,304) (1,266)

% %

Atleastonceaweek 7 6

Atleastonceamonth 17 13

Severaltimesayear 24 21

Onceayearorlessoften 21 22

Never 18 28

Notsure/Noanswer 12 11

(Base:Americans18+)Whenyouusesocialmedia,howoftendoyoushareanewsstory,headline,orstoryaboutglobalwarmingthatyouhavereadorseenonotherwebsites?

Oct2017


%

Severaltimesaday 1

Almosteveryday 2

Everyfewdays 5

Onceaweek 6

Everyfewweeks 20

Never 65


(Base:Americans18+)Howimportantistheissueofglobalwarmingtoyoupersonally?

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,330) (1,263) (1,275) (1,013) (830) (1,045) (1,061) (1,008) (1,000) (1,010) (1,024) (1,001) (2,164)

% % % % % % % % % % % % % % % % %

Extremelyimportant 12 10 10 9 7 6 5 8 8 8 6 6 6 7 6 5 10

Veryimportant 19 16 17 17 18 15 16 17 14 13 17 14 13 15 18 14 20

Somewhatimportant 37 38 34 35 37 35 37 38 33 36 36 40 40 37 38 37 39

Nottooimportant 19 22 22 22 21 24 24 21 25 24 24 23 24 24 24 23 18

Notatallimportant 14 15 16 17 17 20 18 16 18 18 17 15 15 14 14 19 11

(Base:Americans18+)Howmuchhadyouthoughtaboutglobalwarmingbeforetoday?

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304) (1,266) (1,226)(1,204) (1,330)(1,263)(1,275) (1,013) (830) (1,045)(1,061) (1,008)(1,000)(1,010) (1,024)(1,001) (2,164)

% % % % % % % % % % % % % % % % %

Alot/Some 54 50 47 51 50 44 45 51 45 47 49 44 44 45 55 45 55

Alot 22 18 20 16 17 15 14 16 14 16 17 15 14 12 17 14 20

Some 32 31 27 35 34 29 31 35 31 30 32 30 30 33 37 30 35

Alittle/Notatall 46 50 53 49 50 56 55 49 54 53 51 55 54 53 45 53 45

Alittle 32 33 37 33 33 35 35 34 37 37 34 39 38 37 32 35 32

Notatall 14 17 16 16 17 21 20 15 17 16 17 16 16 16 13 18 12


(Base:Americans18+)Whichofthefollowingstatementscomesclosesttoyourview?

Oct2017

May2017

Nov2016

March2016

Oct2015

March2015

Oct2014

April2014

Nov2013

April2013

Sept2012

March2012

Nov2011

May2011

June2010

Jan2010

Nov2008

(Unweightedbase) (1,304)(1,266) (1,226) (1,204) (1,330) (1,263)(1,275) (1,013) (830) (1,045) (1,061)(1,008)(1,000) (1,010) (1,024) (1,001) (2,164)

% % % % % % % % % % % % % % % % %

Humanscanreduceglobalwarming,andwearegoingtodososuccessfully

5 7 5 6 4 6 7 6 5 3 5 4 4 5 4 10 6

Humanscouldreduceglobalwarming,butit’sunclearatthispointwhetherwewilldowhat’sneeded

48 48 48 47 42 46 44 42 40 45 49 45 45 40 46 43 50

Humanscouldreduceglobalwarming,butpeoplearen’twillingtochangetheirbehavior,sowe’renotgoingto

25 24 23 25 26 24 22 25 25 24 22 21 24 24 21 17 22

Humanscan’treduceglobalwarming,evenifitishappening

15 12 15 13 18 12 17 16 16 16 15 19 15 18 18 15 16

Globalwarmingisn’thappening 7 8 9 8 9 13 10 10 13 11 8 9 9 10 10 13 5


(Base:Americans18+)Inyouropinion,doyouthinkglobalwarmingis…

Anenvironmentalissue

Oct2017

Nov2016

March2016

Oct2015

March2015

(Unweightedbase) (1,304) (1,226) (1,204) (1,330) (1,263) % % % % %Yes 78 76 78 78 76No 11 11 10 11 11Notsure 10 11 12 11 12Noanswer 2 1 1 1 1

Ascientificissue

Oct2017

Nov2016

March2016

Oct2015

March2015

(Unweightedbase) (1,304) (1,226) (1,204) (1,330) (1,263) % % % % %Yes 71 70 71 73 71No 15 15 14 13 13Notsure 13 14 14 14 15Noanswer 2 1 1 1 2Anagricultural(farming,food)issue

Oct2017

Nov2016

March2016

Oct2015

March2015


Asevereweatherissue

Oct2017

Nov2016

March2016

(Unweightedbase) (1,304) (1,226) (1,204) % % %Yes 65 61 63No 19 23 19Notsure 15 15 17Noanswer 1 1 1


(Base:Americans18+)Inyouropinion,doyouthinkglobalwarmingis…(Cont'd.)Ahealthissue

Oct2017

Nov2016

March2016

Oct2015

March2015

(Unweightedbase) (1,304) (1,226) (1,204) (1,330) (1,263) % % % % %Yes 62 62 61 62 58No 23 22 22 21 24Notsure 13 15 16 16 17Noanswer 2 1 1 1 2Aneconomicissue

Oct2017

Nov2016

March2016

Oct2015

March2015

(Unweightedbase) (1,304) (1,226) (1,204) (1,330) (1,263) % % % % %Yes 60 60 61 63 60No 23 23 23 19 22Notsure 15 16 15 17 16Noanswer 2 1 1 1 2Apoliticalissue

Oct2017

Nov2016

March2016

Oct2015

March2015

(Unweightedbase) (1,304) (1,226) (1,204) (1,330) (1,263) % % % % %Yes 60 56 56 56 54No 24 28 27 26 27Notsure 14 15 16 17 17Noanswer 2 1 1 1 2Amoralissue

Oct2017

Nov2016

March2016

Oct2015

March2015



(Base:Americans18+)Inyouropinion,doyouthinkglobalwarmingis…(Cont'd.)Anationalsecurityissue

Oct2017

Nov2016

March2016

Oct2015

March2015

(Unweightedbase) (1,304) (1,226) (1,204) (1,330) (1,263) % % % % %Yes 29 27 26 23 26No 50 53 51 50 53Notsure 19 19 21 26 20Noanswer 2 1 1 1 1Apovertyissue

Oct2017

Nov2016

March2016

Oct2015

March2015


Asocialjustice(fairnessissue)

Oct2017

Nov2016

March2016

Oct2015

March2015


Areligiousissue

Oct2017

Nov2016

March2016

Oct2015

March2015



(Base:Americans18+)Whichstatementbelowbestreflectsyourview?[Forthosewhorespond"globalwarmingisaffectingweatherintheUnitesStates]HowmuchdoyouthinkglobalwarmingisaffectingweatherintheUnitedStates?

Oct2017

May2017

Nov2016

March2016

April2014

Nov2013

April2013

(Unweightedbase) (1,304) (1,266) (1,226) (1,204) (1,013) (830) (1,045)

% % % % % % %

GlobalwarmingisaffectingtheweatherintheUnitedStates(Total)

64 59 60 60 57 56 58

Alot 33 25 24 24 22 22 23

Some 23 28 26 28 25 26 27

Alittle 6 5 8 7 9 6 6

Don’tknow/Refused 2 2 2 1 2 2 2

GlobalwarmingisnotaffectingweatherintheUnitedStates

6 5 7 5 8 7 7

Globalwarmingisn’thappening 8 10 9 9 10 13 10

Don’tknow 18 21 21 20 19 17 19

Prefernottoanswer 5 5 4 5 5 5 5


(Base:Americans18+)Doyouthinkglobalwarmingmadeeachofthefollowingworseornot?[If“yes”selected]Doyouthinkglobalwarmingmadeeachofthefollowingalittleworse,moderatelyworse,oralotworse?TheheatwaveinnorthernCaliforniainSeptember,2017

HurricanesHarvey,Irma,andMaria(whichstrucktheU.S.inthesummerandfall,2017)

Oct2017


%

Yes,globalwarmingmadethisworse(Total) 55

Alotworse 23

Moderatelyworse 20

Alittleworse 10

Don’tknow 2

No,globalwarmingdidnotmakethisworse 19

Don’tknow 24

Oct2017


%


Alotworse 28

Moderatelyworse 17

Alittleworse 7

Don’tknow 1


Don’tknow 24


(Base:Americans18+)Doyouthinkglobalwarmingmadeeachofthefollowingworseornot?(Cont'd.)[If“yes”selected]Doyouthinkglobalwarmingmadeeachofthefollowingalittleworse,moderatelyworse,oralotworse?(Cont'd.)WildfiresinthewesternU.S.inthesummerandfall,2017

TheheatwavethatgroundedplanesinPhoenix,ArizonainJune,2017

Oct2017


%


Alotworse 25

Moderatelyworse 16

Alittleworse 8

Don’tknow 2


Don’tknow 24

Oct2017


%


Alotworse 19

Moderatelyworse 20

Alittleworse 9

Don’tknow 2


Don’tknow 28


(Base:Americans18+)Doyouthinkglobalwarmingmadeeachofthefollowingworseornot?(Cont'd.)[If“yes”selected]Doyouthinkglobalwarmingmadeeachofthefollowingalittleworse,moderatelyworse,oralotworse?(Cont'd.)TheearthquakethatstruckMexicoinSeptember,2017

Howinterestedwouldyoubeinlearningmoreabouthowglobalwarmingisorisnotaffectingextremeweatherevents?

Oct2017


%


Alotworse 13

Moderatelyworse 8

Alittleworse 5

Don’tknow 1


Don’tknow 30

Oct2017


%

Veryinterested 22

Moderatelyinterested 30

Alittlebitinterested 25

Notatallinterested 22


AppendixII:SurveyMethodThedatainthisreportarebasedonanationallyrepresentativesurveyof1,304Americanadults,aged18andolder.ThesurveywasconductedOctober20–November1,2017.Allquestionnaireswereself-administeredbyrespondentsinaweb-basedenvironment.Thesurveytook,onaverage,23minutestocomplete.ThesamplewasdrawnfromGfK’sKnowledgePanel®,anonlinepanelofmembersdrawnusingprobabilitysamplingmethods.Prospectivemembersarerecruitedusingacombinationofrandomdigitdialandaddress-basedsamplingtechniquesthatcovervirtuallyall(non-institutional)residentphonenumbersandaddressesintheUnitedStates.ThosecontactedwhowouldchoosetojointhepanelbutdonothaveaccesstotheInternetareloanedcomputersandgivenInternetaccesssotheymayparticipate.Thesamplethereforeincludesarepresentativecross-sectionofAmericanadults–irrespectiveofwhethertheyhaveInternetaccess,useonlyacellphone,etc.Keydemographicvariableswereweighted,postsurvey,tomatchU.S.CensusBureaunorms.ThesurveyinstrumentwasdesignedbyAnthonyLeiserowitz,SethRosenthal,andMatthewCutlerofYaleUniversity,andEdwardMaibach,ConnieRoser-Renouf,andJohnKotcherofGeorgeMasonUniversity.SampledetailsandmarginsoferrorAllsamplesaresubjecttosomedegreeofsamplingerror–thatis,statisticalresultsobtainedfromasamplecanbeexpectedtodiffersomewhatfromresultsthatwouldbeobtainedifeverymemberofthetargetpopulationwereinterviewed.Averagemarginsoferrorforeachwave,atthe95%confidencelevel,areplusorminus3percentagepointsexceptwherenoted.• October2017:FieldedOctober20–November1(n=1,304)• May2017:FieldedMay18–June6(n=1,266)• November2016:FieldedNovember18–December1(n=1,226).• March2016:FieldedMarch18–31(n=1,204).• October2015:FieldedSeptember30–October19(n=1,330).• March2015:FieldedFebruary27–March10(n=1,263).• October2014:FieldedOctober17–28(n=1,275).• April2014:FieldedApril15–22(n=1,013).• November2013:FieldedNovember23–December9(n=830).• April2013:FieldedApril10–15(n=1,045).• September2012:FieldedAugust31–September12(n=1,061).• March2012:FieldedMarch12–March30(n=1,008).• November2011:FieldedOctober20–November16(n=1,000).• May2011:FieldedApril23–May12(n=1,010).• June2010:FieldedMay14–June1(n=1,024).• January2010:FieldedDecember24,2009–January3,2010(n=1,001).• November2008:FieldedOctober7–November12(n=2,164).

o Datawerecollectedovertwoperiods:fromOctober7–October20andfromOctober24–November12.Marginoferrorplusorminus2percentagepoints.


RoundingerrorFortabulationpurposes,percentagepointsareroundedtothenearestwholenumber.Asaresult,percentagesinagivenchartmaytotalslightlyhigherorlowerthan100%.Summedresponsecategories(e.g.,"stronglyagree"+"somewhatagree")areroundedaftersumsarecalculated(e.g.,1.3%+1.3%=2.6%,which,afterrounding=3%).


AppendixIII:SampleDemographics

N

(unweighted)%

(weighted)Total 1,304 100Men 637 48Women 667 52

Millennial(18-36) 305 33GenerationX(37-52) 309 25BabyBoomer(53-71) 532 33SilentGeneration(72+) 158 9

Lessthanhighschool 80 11Highschoolgraduate 340 29Somecollege/Associatedegree/Technicaldegree 386 29Collegegraduate 269 17Postgraduate 229 15

<$25K 167 15$25K-<$50K 267 20$50K-<$75K 225 17$75K-<$100K 202 14$100K-<$125K 156 11$125K+ 287 23

White,non-Hispanic 943 64Black,African-Americannon-Hispanic 121 12Hispanic 145 16Othernon-Hispanic 95 8

Northeast 227 18Midwest 312 21South 469 38West 296 24

climate change in the american mind Change in the American Mind: October 2017 3 Executive Summary...

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