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Sustainable city

From Wikipedia, the free encyclopedia

A sustainable city, or eco-city is a city designed with consideration of environmental impact, inhabited by people dedicated to minimization of required inputs of energy, water and food, and waste output of heat, air pollution - CO2, methane, and water pollution. Richard Register first coined the term "ecocity" in his 1987 book, Ecocity Berkeley: building cities for a healthy future.[1] Other leading figures who envisioned the sustainable city are architect Paul F Downton, who later founded the company Ecopolis Pty Ltd, and author Timothy Beatley, who has written extensively on the subject. The field of industrial ecology is sometimes used in planning these cities.

A sustainable city can feed itself with minimal reliance on the surrounding countryside, and power itself with renewable sources of energy. The crux of this is to create the smallest possible ecological footprint, and to produce the lowest quantity of pollution possible, to efficiently use land; compost used materials, recycle it or convert waste-to-energy, and thus the city's overall contribution to climate change will be minimal, if such practices are adhered to.

It is estimated that around 50%[2] of the world’s population now lives in cities and urban areas. These large communities provide both challenges and opportunities for environmentally conscious developers. In order to make them more sustainable, building design and practice, as well as perception and lifestyle must adopt sustainability thinking.

Practical achievement

These ecological cities are achieved through various means, such as:

International examples

Australia

  • Melbourne
    • City of Moreland. The City of Moreland in Melbourne's north, has programs for becoming carbon neutral, one of which is 'Zero Carbon Moreland', amongst other existing sustainable implementations and proposals.
    • City of Melbourne. Over the past 10 years, various methods of improving public transport have been implemented, car free zones and entire streets have also been implemented.

Brazil

Southern cities of Porto Alegre and Curitiba are often cited as examples of urban sustainability.

Canada

In 2010, Calgary ranked as the top eco-city in the planet for it's, "excellent level of service on waste removal, sewage systems, and water drinkability and availability, coupled with relatively low air pollution.” The survey was performed in conjunction with the reputable Mercer Quality of Living Survey. [3]

China

  • Dongtan Eco-city is the name of another project on the third largest island in China at the mouth of the Yangtze River near Shanghai. The project was scheduled to accommodate 50,000 residents by 2010, but its developer has currently put construction on hold.[5]
  • Huangbaiyu is another major eco-city being built by China.
  • As of April 2008, an ecocity collaboration project is being proposed for a district in Nanjing, the capital city of Jiangsu Province on the Yangtze River, just west of Shanghai.
  • Rizhao mandates of solar water heaters for households, and has been designated the Environmental Model City by China's SEPA.[6]:108

Denmark

The industrial park in Kalundborg is often cited as a model for industrial ecology.

Ecuador

Loja, Ecuador won three international prizes for the sustainability efforts begun by its mayor Dr. Jose Bolivar Castillo.[6]:25

Estonia

Oxford Residences for four seasons in Estonia, winning a prize for Sustainable Company of the Year, is arguably one of the most advanced sustainable developments, not only trying to be carbon neutral, but already carbon negativeGermany

Freiburg im Breisgau is often referred to as green city. It is known for its strong solar economy. Vauban, Freiburg is a sustainable model district. All houses are built to a low energy consumption standard and the whole district is designed to be carfree.

India

India is working on Gujarat International Finance Tec-City or GIFT which is an under-construction world-class city in the Indian state of Gujarat. It will come up on 500 acres (2.0 km2) land.[7] It will also be first of its kind fully Sustainable City.

Kenya

Hacienda - Mombasa, Kenya. It is the largest development of eco-friendly residential properties in East Africa; construction is currently ongoing, and it will eventually be one of Africa’s first self-sustaining estates.

Korea

Songdo IBD is a planned city in Korea which has incorporated a number of eco-friendly features. 75% of the waste generated by the construction of the city will be recycled.

New Zealand

The city of Waitakere, the Western part of the greater Auckland urban region, was New Zealand's first eco-city, working from the Greenprint, a guiding document that the City Council developed in the early 1990s.

Republic of Ireland

South Dublin County Council announced plans in late 2007 to develop Clonburris, a new suburb of Dublin to include up to 15,000 new homes, to be designed to achieve the highest of international standards.[8] [9]

Sweden

Gothenburg, and especially Älvstaden (central city by the river Göta Älv) are good examples of sustainable city in Sweden. They have low environmental impact, contain passive houses, good recycling system for waste, etc.

Hammarby Sjöstad, Stockholm

United Kingdom

  • St Davids the smallest city in the United Kingdom aims to be the first carbon neutral city in the world.[10]
  • Leicester is the United Kingdom's first environment city[11]

United States

See also

Notes

Further reading

External links

This page was last edited on 17 April 2018, at 21:06.
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