Green and thriving neighbourhoods

GreenandThrivingNeighbourhoods Apathwaytonetzero,featuringthe‘15-minutecity’ IntroductionOpportunityPillarsApproachesPathwayScalingupReferences Foreword Sharedresponsibility ThemajorityofGHGemissionscomefromcitiesandtheirbuiltenvironment.Asurbanpopulationsincrease,weknowthatcompactandconnectedcommunitiesarethebestwaytopreserveglobalresourcesandfragilebiodiversity.Therefore, wemustharnessamodelforlow-carbonurbandevelopmentthatishuman-scale,thrivingandinclusiveforourfuture;amodelthatpromotessustainableandequitableneighbourhoodsthatcitizensandtheirleaderscanstriveforandthenreplicateitwidely. Asmayors,wehavetheglobalresponsibilitytoaccelerateclimateaction,andwehavethe responsibilitytodoitinawaythatcreateschangeforthecitizensandbythecitizens,withthemaspartofthedecision-makingprocess. Acceleratingtowardsnetzero Theneighbourhoodscaleinacityofferssomeuniqueopportunitiestoacceleratetowardsnetzero.Whendesigninganewneighbourhoodorbeginningamajordistrict-scaleregenerationproject,citiescansetaclearvisionandstepupambitiononclimateobjectives.Takingadvantageofthebalancebetweenscaleandagility,neighbourhoodprojectscanpioneernewpolicy,trialinnovativepartnershiparrangements,considercreativewaystoincreasecitizenparticipationandtestnewtechnologiesorproductsthatcansupporttheoverarchingvision. Developingneighbourhooddemonstratorsthatsetapositivevisionofcities’lowcarbonfuture,canbeastrongcatalystforchange. Puttingpeoplefirst Thereisanappetiteformoreliveable,people-orientedcitiesthathasbeenreinforcedbytheCovid-19crisis,drivingasurgeofinterestinthe‘15-minutecity’. Agreenandthrivingneighbourhoodshouldenableresidentsofallages,backgroundsandabilitiestomeettheirdailyneedsclosetohome. Itshouldsupportthelocaleconomyandgreenjobs,provideopportunitiestowalk,cycleandtakepublictransport,offerbetterwastemanagementsolutionsandcleanerenergysystemsandincorporategreeninfrastructure-allofwhichcontributetoacceleratingclimateaction,whilebenefitingothercriticalurbanagendas,such aspromotingequity,prosperity,resilienceandqualityoflife. HoracioRodríguezLarreta MayorofBuenosAiresandVice-ChairofC40Cities AnnaKönigJerlmyr MayorofStockholmandVice-ChairofC40Cities AnneHidalgo MayorofParisandformerchairofC40Cities Introduction Opportunity Pillars ApproachesPathwayScalingupReferences Introduction Greenandthrivingneighbourhoodsareaneffectiveresponsetotheurgentproblemofclimatechange. Theneedtoactnow The2020swillbeamake-or-breakdecadeforourenvironment.Weneedtohalveglobalgreenhousegas(GHG)emissionsby2030toavoidcatastrophicclimatechange. Citieshaveapivotalroleinhelpingtheworldmeetthisgoal.Currently,55%oftheworld’spopulationlivesincities,risingto68%by2050. Opportunitiesarisingfromgrowthandregeneration,alongwiththeirdevolvedpowers,theirabilitytoattractinvestmentandtalentandfosterinnovationmeanthatcitiesarewellplacedtoshowleadershipacrossarangeofcriticalissues. C40Citiesisanetworkof100mayorsfromtheworld’sleadingcities,workingtodelivertheurgentactionneededrightnowtoconfronttheclimatecrisisandcreateafuturewhereeveryone,everywherecanthrive. C40Citiesrepresentmorethanaquarteroftheglobaleconomyand800millionpeople,withmorethanhalfourmembercitiesbasedintheGlobalSouth.Itisaplatformsupportingmayorsintakingtheurgentactionrequiredtoavertaclimatecrisis.AspartofC40Cities’conditionsofmembership,allmembercitieshaveascience-basedanalysisofwhereandhowemissionsneedtobecutinlinewiththeirfairshare ofhalvingglobalemissionsby2030andarobustplantoachieveit.Throughadvocacy,policy-making,investment,capacitybuildingandpartnerships,thesecitiesaredrivingclimateactionacrosskeysectorswhereemissionsmustbereducedfast.Leadershipandcollaborationareessentialtoeffectthekindsofchangesneededtoachievethisambition. OverthepasttenyearsAruphaspartneredwithC40Citiescarryingoutvitalresearchtohelpcitiesmeasure,manage,andplanclimateaction,empoweringtheirleaderstodrivetheclimateagendaforward. Together,C40CitiesandArupbelieve‘GreenandThrivingNeighbourhoods’provideanewfocustorespondtotheurgencyoftheglobalclimateagenda.Neighbourhoodsprovideanidealscaleandcontextforequitableandsustainablerecoveryandanopportunityto developreplicable,netzeroapproachesthatcanbedeployedcity-wideandbeyond. ThisGuidebookprovidescities,aswellasnationalgovernments,privatesectordevelopers,residentsandcommunities,withtheframework andapproachestodevelopambitiousnetzeroandpeople-centredneighbourhoodsthatshowcasetodaythefuturewewanttosee. MarkWatts ExecutiveDirector,C40Cities AlanBelfield Chairman,Arup Introduction Opportunity Pillars ApproachesPathwayScalingupReferences Introduction Anewfocus Overthepastdecade,citygovernments,privatesectordevelopersandurbandesignershaveincreasinglyworkedtowardslow-carbonandsustainableneighbourhoods.Nowisthetimetoaccelerateactionandincreaseourambition. Greenandthrivingneighbourhoodsprovideanewfocustorespondtotheurgencyoftheglobalclimateagenda.Theseareneighbourhoodsthatreflecttheprioritiesofa‘GreenandJustRecovery’andthe‘GlobalGreenNewDeal’,whilealsocontributingdirectlytowardstheUNSustainableDevelopmentGoalsonclima