yokohama as a global city - the compatibility of economy and ecology

8/3/2019 Yokohama as a Global City - The Compatibility of Economy and Ecology

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Yokohama as a Global City

Experiences of Yokohama- The Compatibility of Economy and Ecology -

November 15, 2011Toru Hashimoto

International Technical Cooperation Division

City of Yokohama


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City of Yokohama

Pop. of 3.69 million Largest city in Japa

GDP of 12.7 trillion JPY (US$150 billion)

International port city: Celebrating the

152th anniversary of the port opening

Rapid growth and urbanization

niigata

Tokyo Naita

Yokohama

Haneda


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Sudden Awakening


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A gateway to the western communities and beyond

Mr. H. S. PalmerMr. R. H. Brunton


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September 1st, 1923, the GreatKanto Earthquake, M 7.9

Areas destroyed by fire in

the city center

Most of the buildings inthe Kannai Districtcollapsed.


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Damage suffered in the City ofYokohama

The figures in the parentheses are theproportions of the given statistical figures tothe corresponding figures for the entire city.

City area destroyed by fire:Approximately 2,300 ha (42 %)

Number of people affected by the bombing:Approximately 400,000 (45 %)

Number of houses damaged by the bombing:

Approximately 100,000 (46 %)

Bombing of Yokohama in 1945(during the World War II)


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A view of Kannai and

surrounding areas, ca. 1950

Requisitions in the City of Yokohama-Area requisitioned: approx. 16,040,000 m2 Approx. 4 % of the area of the entire city

(43 % of the requisitioned area was in Naka Ward.) Approx. 90 % of the port facilities

Osanbashi Pier

Isezaki Shopping mall

Requisition by the US armed forces

after the World War II


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Shortage of housing and uncontrolled

development (urban sprawl and rapiddisappearance of open green spaces)

Underdevelopment of social infrastructure(schools, roads and sewage)

Development of environmental problems(urban wastes and mixed areas of residential and

industrial land uses)

Emergence of urban problems caused by the rapid population growth

The population doubled in the20-year period between1960 and 1980(from 1.37 million to 2.77 million)


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Urban Challenges: Rapid Urbanization and Pollution

Polluted airs and water, traffic jam


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Entrepreneurial Citizens and Unique Development Approaches

Innovative, entrepreneurial, open-minded attitude, and

welcoming of new challenges

Overcoming many challenges over time

Unique approach to development (the Yokohama model)


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12Six Major Projects for Urban Solution


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Land Reclamation of Kanazawa Construction of Railways

Development of Kohoku

New TownConstruction of the Bay Bridge

Improvement of the Functions

of the City CentersConstruction of Expressways

Six major projects

for the Yokohama City urban planning


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Urban Structure of theYokohama City

Urbanization control areas: 1/4 ofthe entire city area

Totsuka

Kami-o-oka

Futamatagawa/Tsurugamine

Tsurumi

Kohoku New Town Center

Yokohama CityCenters

Shin-YokohamaCity Centers


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Example of Consolidated Mixed-Use Urban Center

Conversion from Industrial Area to Urban Core

International Culture Center

Information Urban Center

Eco-Friendly Development


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UrbanPlanning Minato Mirai 21 District:

Showcase of Yokohamas urban development

Greener City Center Integration of History, Culture and Art

Utilization of Renewable Energy towards Low Carbon Emission

Cherry blossom street

Grand mall park Red Brick Warehouses

Nippon MaruMemorial Park

MM21 Pedestrian Bridge

LED Lightning

Moving walkway atSakuragicho station

Utility Tunnels

Reusing rain and

wastewater

Landmark Tower


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Minato Mirai 21

Long-Term, Holistic,Integration

Linkage to other UrbanProjects

Disaster Preparednessand Urban Convenience

Collaboration withCitizens and Users

Urban Design andContent Creation

Pursuing New Themes


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Relocation of a shipyard from the city center Provision of plots for new industrial establishment

Land Reclamation of the coast of Kanazawa

Parks and green spacesLand for residential useLand for urbanredevelopmentLand for public facilitiesLand for schoolsTrunk road


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Water Management from Sources to the Sea

Doshi RiverMountains in Doshi village

Water Reservoirs Purification Plants

Water Circulation

Wastewater

ReceivingWell

SedimentationBasin

Rapid SandFiltration Basin

DisinfectionFacilities

DistributionReservoir

Pumping

Station

Drain Treated Water into Sea/Rivers

Grit ChamberpumpReactor

Primary Sedimentation TankFinal Sedimentation Tank

Disinfection Facility

OzonationFacility

Wastewater Treatment PlantUse of Reclaimed Wastewater

Shin-Yokohama Station Nissan Stadium Creek & Footpath

Seawater Purificationusing seaweed cultivation


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WasteManagement Recycling Solid Waste and Wastewater

Yokohama "G30" Policy: Involving Citizens to Reduce Waste by 30%- Citizens, businesses and the city administration work together in promoting

the 3Rs (Reduce, Reuse and Recycle) of solid waste

Notable Effects of G30

1) Abolishing 3 of the city's 7 solid waste incineration plants

2) Extension of the lifetime of the city's solid waste landfill sites

3) Reduction in CO2 Emissions by 840,000 tons/year (about 4%) compared to FY2001

More Efficient Use of Energy and ResourcesTreated Wastewater and Incineration Ash)

ReclaimedWastewater

Wastewater Treatment Plant Garbage Incineration Plant

Power generation using steam turbine

Sledge

Digestion Gas Tank DigestionGas

GeneratedElectricity

Sledge Treatment Plant

Sludge

Incinerator

Power Generation

with Digestion Gas

Incineration Ash


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Ecological Cities as Economic Cities (Eco2 Cities)-Best Practices in Urban Development and Management-

Yokohama was nominated by the World Bank asone of the first six Eco2 Cities, which display thebest global practices for balance of ecologicalsustainable development and economic urbangrowth.

Yokohama is highly evaluated for its variouspractices aiming to develop cities in harmony withthe environment and the economy, such as forwaste management (G30). The first Eco2 Citiesinternational conference was held in Yokohama in

October 2010.

Other Eco2 Cities: Curitiba (Brazil), Stockholm (Sweden), Singapore, Brisbane (Australia),Auckland ( New Zealand)


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Y-PORTs Three Main Areas of Activity

1) Providing Advisory Services in Urban Development

2) Collaborating and Coordinating with Leading Private Sector Firmsand Universities in Yokohama

3) Supporting Human Resource Development

Yokohama Partnership of Resources and Technologies (Y-PORT)

Yokohama will provide urban knowledge through anewly established technical cooperation scheme


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International Technical Cooperation Division

City of Yokohama

Email: [email protected]

Website:

http://www.city.yokohama.lg.jp/seisaku/kyoso/yport/yport-e/

Contact Us

Aiming at Global Best Practice City on Urban Development
mailto:[email protected]://www.city.yokohama.lg.jp/seisaku/kyoso/yport/yport-e/http://www.city.yokohama.lg.jp/seisaku/kyoso/yport/yport-e/mailto:[email protected]

yokohama as a global city - the compatibility of economy and ecology

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