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2015 - Cities Risks And Timescales

Row numberCity NameAccount NoCountryCity Short NameC40Reporting YearEffects of climate changeMagnitudeAnticipated timescale in yearsImpact descriptionCity LocationCountry Location
901Municipality of Belo Horizonte35848BrazilBelo Horizonte2015Storms/FloodsExtremely seriousShort-termfloods; inundation; loss of lives; loss of materials, equipments and products; loss of houses(38.5198325°, -8.8695345°)(-14.235004°, -51.92528°)
902Stadt Zürich35449SwitzerlandZurich2015Frequent/Intense RainfallSeriousLong-termDue to the increase of the average temperature and the snow line, the stored masses of snow and ice will be reduced, causing an increased outflow in winter. Along with the change of rainfalls (drier summers), this can lead to a seasonal redistribution of outflows. Thus, the potential flood time is moving in the winter half-year. The frequency of large flood events will increase. The increasing trend of intensive rainfall could exacerbate the situation (also see increase of intense rainfalls).(47.3686498°, 8.5391825°)(46.818188°, 8.227512°)
903City of San Francisco31182USASan FranciscoC402015DroughtExtremely seriousCurrentImpacted Sectors: Community-wide, Business and Residential Water Utility, Wastewater Utility, Buildings, Transport, SF Recreation and Parks.(37.7749295°, -122.4194155°)(37.09024°, -95.712891°)
904City of Las Vegas10495USALas Vegas2015Temperature Increase/HeatwavesSeriousMedium-termThere is limited agricultural production in Southern Nevada. If climate change impacts many of the areas where the region gets its food (reduced water supply, higher temperatures), there could be risks in terms of food production and higher food and transport costs.(36.1699412°, -115.1398296°)(37.09024°, -95.712891°)
905City of Paris31175FranceParisC402015Temperature Increase/HeatwavesSeriousShort-termClimate projections for Paris indicate that warming will not be equal all year round: much warmer in the summer season, a little bit warmer in winter. That will give a higher range of temperature vairability throughout the year.(48.856614°, 2.3522219°)(46.227638°, 2.213749°)
906City of Goiânia42123BrazilGoiânia2015Temperature Increase/HeatwavesSeriousShort-termAverage increase in temperature by 2020, in Goiânia, 1.7 º C may cause overload in refrigeration systems and decreasing the efficiency of electricity generation through hydropower(-16.6868912°, -49.2647943°)(-14.235004°, -51.92528°)
907City of Warsaw31185PolandWarsawC402015Frequent/Intense RainfallSeriousLong-term(52.2296756°, 21.0122287°)(51.919438°, 19.145136°)
908City of Stockholm3429SwedenStockholmC402015Temperature Increase/HeatwavesSeriousCurrentHotter summers with more intense heat in areas where there are little or no green areas.(59.3293235°, 18.0685808°)(60.128161°, 18.643501°)
909City of Columbus43910USAColumbus2015Frequent/Intense RainfallSeriousMedium-termAccording to the Union of Concerned Scientists, Ohio is projected to have more frequent heavy rainstorms.(39.9611755°, -82.9987942°)(37.09024°, -95.712891°)
910Ayuntamiento de San Luis Potosí50369MexicoSan Luis Potosí2015Temperature Increase/HeatwavesSeriousCurrentExtreme temperatures can cause high-risk diseases that increase high levels of mortality, alteration in the vulnerability of the agricultural cultivation, increase of plagues, forest fires. Economically, they cause the diminution of the products efficiency, goods or services caused by the low employees’ performance. Diminution in the efficiency of generation.(22.1564699°, -100.9855409°)(23.634501°, -102.552784°)
911City of St Louis35393USASt. Louis2015Storms/FloodsSeriousShort-term(38.6270025°, -90.1994042°)(37.09024°, -95.712891°)
912Greater Manchester35898United KingdomManchester2015Temperature Increase/HeatwavesSeriousLong-termReduced productivity, impact of transport infrastructure, increased demand for city cooling.(53.4575955°, -2.1578377°)(55.378051°, -3.435973°)
913City of Los Angeles10894USALos AngelesC402015Temperature Increase/HeatwavesSeriousShort-term(34.0522342°, -118.2436849°)(37.09024°, -95.712891°)
914City of Sydney31114AustraliaSydneyC402015Temperature Increase/HeatwavesExtremely seriousMedium-termRisks: heat stress, community health, energy system strain, power disruptions, workforce productivity, behaviour change, transport disruption. The CSIRO and Bureau of Meteorology's 2014 State of the Climate Report shows that Australia's climate has warmed by 0.9 degrees C since 1910, with most of the warming occurring since 1950. This warming has seen Australia experiencing more warm weather and extreme heat, and fewer cool extremes. Morbidity and mortality are projected to increase sharply as a result.(-33.8674869°, 151.2069902°)(-25.274398°, 133.775136°)
915Wellington City Council43937New ZealandWellington2015Storms/FloodsExtremely seriousShort-term- Threats to coastal communities, electricity supply, coastal road networks, state highway system, rail, airport and coastal infrastructure (e.g. sea walls)(-41.2864603°, 174.776236°)(-40.900557°, 174.885971°)
916City of Durban35863South AfricaDurbanC402015Frequent/Intense RainfallSeriousMedium-termMain impact upon subsistence farmers and their practices, leading to potential reduction in food sovereignty(-29.8586804°, 31.0218404°)(-30.559482°, 22.937506°)
917City of Baltimore35853USABaltimore2015Temperature Increase/HeatwavesSeriousCurrentAverage temperatures have already increased by 1.8 degrees F. Maryland’s average annual temperatures will increase 3-8°F by the end of the century(39.2903848°, -76.6121893°)(37.09024°, -95.712891°)
918Free and Hanseatic City of Hamburg35868GermanyHamburg2015Frequent/Intense RainfallSeriousCurrentAlready today, there have been more intense rainfalls and this development may continue as weather extremes become more frequent.(53.5510846°, 9.9936818°)(51.165691°, 10.451526°)
919Prefeitura de Sorocaba50383BrazilSorocaba2015Frequent/Intense RainfallExtremely seriousCurrentimpact on agriculture, health, services and infrastructure, availability of raw materials, biodiversity(-23.4774899°, -47.4220615°)(-14.235004°, -51.92528°)
920City of Gibraltar50650GibraltarGibraltar2015Temperature Increase/HeatwavesSeriousMedium-termHeat waves are expected to become 10 times as likely with climate change in Europe; with its resultant impacts on health.(36.1407734°, -5.3535994°)(36.140751°, -5.353585°)
921Free and Hanseatic City of Hamburg35868GermanyHamburg2015Frequent/Intense RainfallSeriousMedium-termFor Europe, we expect warmer and dryer summers while winters are expected to get more rain fall, but this will not always be the case. Therefore, it will be increasingly difficult to plan water resources and water management.(53.5510846°, 9.9936818°)(51.165691°, 10.451526°)
922City of Berlin31153GermanyBerlinC402015Temperature Increase/HeatwavesSeriousMedium-termIn 2003, Brandenburg (which surrounds Berlin) had significant losses in winter grain (30-40%) due to a very hot summer; these losses were well above the national average.(52.5200066°, 13.404954°)(51.165691°, 10.451526°)
923City of Seattle16581USASeattleC402015OtherSeriousShort-termImpacts to aquatic habitat and threats to salmon survival (ecosystems) Decrease in water quality (water, human health)(47.6062095°, -122.3320708°)(37.09024°, -95.712891°)
924City of Copenhagen31009DenmarkCopenhagenC402015Temperature Increase/HeatwavesSeriousMedium-termHigher temperatures and urban heat islands in Copenhagen Increasing groundwater level and salt intrusion to groundwater(55.6760968°, 12.5683371°)(56.26392°, 9.501785°)
925Addis Ababa City Administration31146EthiopiaAddis AbabaC402015Temperature Increase/HeatwavesSeriousMedium-termhuman health, discomfort in work place, and affect biodiversity(9.0342453°, 38.7636287°)(9.145°, 40.489673°)
926City of Detroit35862USADetroit2015Temperature Increase/HeatwavesSeriousCurrentImpacts to vulnerable populations(42.331427°, -83.0457538°)(37.09024°, -95.712891°)
927City of Lisbon36159PortugalLisbon2015DroughtLess seriousShort-termIt is expected to face more frequent droughts in the next future in Southern Europe(38.7222524°, -9.1393366°)(39.399872°, -8.224454°)
928New York City3417USANew YorkC402015Temperature Increase/HeatwavesExtremely seriousLong-termAccording to the NPCC, by 2050 heatwaves could more than triple in frequency, lasting on average one and a half times longer than they do today.(40.7127837°, -74.0059413°)(37.09024°, -95.712891°)
929City of Dallas35860USADallas2015DroughtSeriousCurrentAccording to the U.S. Drought Monitor, the North Central Texas Region, in which Dallas sits, ranges from moderate to severe drought.(32.7801399°, -96.8004511°)(37.09024°, -95.712891°)
930City of Atlanta1093USAAtlanta2015Frequent/Intense RainfallSeriousShort-termFloods destroy houses in vulnerable areas, disrupt highways, and produce sewage spills in the Chattahoochee river by overloading the Atlanta storm sewer system.(33.7489954°, -84.3879824°)(37.09024°, -95.712891°)
931City of Paris31175FranceParisC402015Storms/FloodsLess seriousCurrentTransport disruption (trains, roads), energy blackouts, buildings deteriorations, trees falling down...(48.856614°, 2.3522219°)(46.227638°, 2.213749°)
932City of Las Vegas10495USALas Vegas2015DroughtExtremely seriousCurrentHigher temperatures, combined with lower snowpacks and overall amount of available water, may lead to longer lasting, more intense drought periods. The intensity of drought over years or decades could have a long term impact both seasonal and long-term water supplies in the region.(36.1699412°, -115.1398296°)(37.09024°, -95.712891°)
933District of Columbia31090USAWashington DCC402015Temperature Increase/HeatwavesLess seriousShort-termSummer maximum temperatures historically average 87oF during the day while minimum temperatures average 66oF at night. These values are projected to increase by 2.5-3oF by the 2020s, 5-7oF by the 2050s, and 6-10oF by the 2080s.(38.9071923°, -77.0368707°)(37.09024°, -95.712891°)
934Comune di Torino35886ItalyTurin2015Temperature Increase/HeatwavesSeriousMedium-termIncreased morbidity and mortality among vulnerable, exposed and poor people. Probable health care costs increase.(45.1006374°, 7.6680046°)(41.87194°, 12.56738°)
935Greater Manchester35898United KingdomManchester2015Temperature Increase/HeatwavesLess seriousMedium-termReduced productivity, impact on transport infrastructure, increased demand for city cooling, increase in heat related illness.(53.4575955°, -2.1578377°)(55.378051°, -3.435973°)
936Comune di Venezia36254ItalyVeniceC402015Sea Level RiseExtremely seriousCurrentThe City of Venice is put in the middle of the Venice Lagoon and this fact makes Venice be particularly susceptible to sea level rise. During the last century flooding tides higher more than 110 cm (which means Piazza San Marco flooded) has increased 13 times. Since 1872 exceptional events (>140cm) have been 15 times, 6 times in the decade 2001- 2010. 140cm flooding tide means almost 60% of Venice flooded. The data provided by the Center for Forecasting High Tides of the City of Venice show a trend about high water phenomena: it has increased both, intensity and frequency.(45.4332515°, 12.3210704°)(41.87194°, 12.56738°)
937City of Yokohama31113JapanYokohamaC402015Temperature Increase/HeatwavesSeriousCurrentHeat strokes and other damage to health, sediment disaster, flood, damage from inundation of lower levels in railway stations(35.4437078°, 139.6380256°)(36.204824°, 138.252924°)
938Comune di Venezia36254ItalyVeniceC402015Temperature Increase/HeatwavesLess seriousMedium-termThis type of phenomenon deserves a technical study to be carried out through a measurement campaign that is currently not available to the city . At first glance the question of heat waves is the least severe of the three shown here ( heat waves , sea level rise and heavy rainfall ) also because of the geography of the city and the discreet presence of green areas in almost all municipal area. In each case the projections IPCC tell us that an increase of summer temperatures in these areas is to be considered and accordingly the problem has to be considered .(45.4332515°, 12.3210704°)(41.87194°, 12.56738°)
939Free and Hanseatic City of Hamburg35868GermanyHamburg2015Temperature Increase/HeatwavesSeriousMedium-termDue to climate change, some parts of the city will be affected by urban heat; even though there is usually wind from the west, there will be a strong urban heat effect because more houses are being built and the cooling effects of the winds may lessen.(53.5510846°, 9.9936818°)(51.165691°, 10.451526°)
940City of Toronto31117CanadaTorontoC402015Frequent/Intense RainfallSeriousCurrentImpacts on the following sectors: Water, Buildings, Human Health, Transport, Emergency Services, Legal Services, Planning Parks, Forestry and Recreation(43.653226°, -79.3831843°)(56.130366°, -106.346771°)
941City of Cleveland35859USACleveland2015Temperature Increase/HeatwavesExtremely seriousShort-termAnnual average temperatures warmed by 2.4°F from 1956-2012, faster than national and global rates. During heat waves, high electricity demand combines with climate-related limitations on energy production capabilities, increasing the likelihood of electricity shortages and resulting in brownouts or even blackouts. Warming also decreases the number of days with snow on the ground, which may improve traffic safety. In winter, oil and gas demand for heating would also decline.(41.49932°, -81.6943605°)(37.09024°, -95.712891°)
942City of Cleveland35859USACleveland2015Frequent/Intense RainfallSeriousCurrentTotal annual precipitation increased steeply by 25.8% from 1956 through 2012 while summer precipitation remained relatively unchanged. This pattern is expected to lead to more frequent flooding, increasing infrastructure damage, and impacts on human health.(41.49932°, -81.6943605°)(37.09024°, -95.712891°)
943Tokyo Metropolitan Government31111JapanTokyoC402015DroughtCurrentReduced quality of river and reservoir water(35.6896342°, 139.6921007°)(36.204824°, 138.252924°)
944Gemeente Rotterdam31179NetherlandsRotterdamC402015Storms/FloodsSeriousShort-termFailure risk of storm barrier(51.9163716°, 4.4509382°)(52.132633°, 5.291266°)
945Comune di Torino35886ItalyTurin2015Temperature Increase/HeatwavesSeriousShort-termIncreased morbidity and diseases. Increase economic health care costs.(45.1006374°, 7.6680046°)(41.87194°, 12.56738°)
946Comune di Bologna36274ItalyBologna2015Temperature Increase/HeatwavesSeriousCurrentHigher temperatures and potential heat waves increase cooling loads via buildings and other hard infrastructure and decrease energy efficiencies. The at risk populations (i.e. Elderly/Children/Disabilities/Declining health) are the most vulnerable demographics to these impacts and are the first to exhibit signs facing mortality and decline in human health. as time progresses this will impact a larger and more diverse profile of residents. Actions: - Integrating the existing rehebilitation projects of the city water channels as green corridors .(44.4856087°, 11.3547975°)(41.87194°, 12.56738°)
947City of Stockholm3429SwedenStockholmC402015Sea Level RiseExtremely seriousLong-termRisk of flooding, damage to infrastructure and buildings. Risk of salinization of drinking water (lake Mälaren)(59.3293235°, 18.0685808°)(60.128161°, 18.643501°)
948Tokyo Metropolitan Government31111JapanTokyoC402015Temperature Increase/HeatwavesCurrent- Increase of deaths caused by heatstroke or heat stress - Changes in geographical distribution of fauna and flora - Changes in distribution area of insects that can transmit infectious diseases - Increased energy consumption due to the rise of air conditioner usage -Decrease in inner circulation in reservoir due to rise in water resource temperature, and deterioration of quality of water in reservoir -Increase in demand for water(35.6896342°, 139.6921007°)(36.204824°, 138.252924°)
949City of Helsinki8242FinlandHelsinki2015Sea Level RiseSeriousLong-termLand use: Planning of new areas and infill building on existing urban areas on the coast or other high risk flood areas(60.1733244°, 24.9410248°)(61.92411°, 25.748151°)
950City of Vancouver20113CanadaVancouverC402015Sea Level RiseExtremely seriousLong-termSea level rise will affect most sectors. Buildings will require more floodproofing measures and/or zoning different uses for flood prone areas in the future. Gravity-based stormwater systems will be affected in low-lying areas and may require new pumps or other solutions. Storm surge damage to docks, public amenities, streets etc. is likely. Bridge and infrastructure scour may increase. Increased rates of beach erosion, or loss of beaches, may occur.(49.261226°, -123.1139268°)(56.130366°, -106.346771°)

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created Jun 7 2016

updated Oct 4 2018

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Risks from climate change identified and reported by city governments. Includes a list of the anticipated effects of climate change, timescale, and seriousness

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