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maybe i'm just a cynic, seeing the bad in everything, but won't this just be a retreat for the wealthy and powerful, in case the environment goes freaky?-- ExpImptalkcon 12:42, 27 October 2006 (UTC)Reply


China Building First Carbon-Neutral City

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By Maria Surma

There’s a lot of talk about China’s staggering amount of planned coal plants, and the narrowing gap between it and the U.S. for the title of Planet’s Biggest Carbon Dioxide Emitter. But China is examining at least one unique way to develop more sustainably.

Welcome to Dongtan, the world’s first CO2-free city. Developers are building this $1.3 billion eco-city just outside of Shanghai. Renewable energy will be used extensively, the layout of the city maximizes walking and biking rather than cars, and transport vehicles will run on batteries or hydrogen fuel cells. Other plans include recycling organic waste, green roofs, and rainwater capture.

Dongtan will cover an area about three-quarters the size of Manhattan on wetlands at the mouth of the Yangtze River. However, Peter Head of Arup, the London-based firm heading the planning, said the wetlands are not at risk from the development. From the Architectural Record:

“‘First of all, water usually discharged into the river will be collected, treated, and recycled within the city boundaries,” he says. ‘There will be a 2-mile buffer zone of eco-farm between city development and the wetlands.’ While farming is water intensive, relatively small amounts of water reach the plants themselves. Head says Dongtan ‘will capture and recycle water in the city and use recycled water to grow green vegetables hydroponically. This makes the whole water cycle much more efficient.’”

But what will the habitants do in this eco-utopia? City officials and consultants expect jobs in education like at the planned Institute for Sustainable Cities, and they anticipate attracting companies pursuing clean technologies, food research and production, and health care. Dongtan is also expected to rely heavily on ecotourism.

Designers hope CO2-free city will serve as a model for the rest of the urbanized world. Its first phase includes a marina village of 20,000 habitants that will be unveiled at the 2010 World Expo in Shanghai. Nearly 80,000 people are expected to live in the city by 2020, and eventually designers hope to see 500,000 citizens living the good, green life there. Architectural Record Jetson Green


Thursday, March 1, 2007

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Dongtan: China's First Eco-City

Dongtan (东滩), a small town on the eastern tip of Chongming Island (崇明), north of Shanghai, has been slated to become China, and the world's, first eco-city (生态城市). The Guardian, USA Today, and my personal favorite BLDGBLOG have all given some details as to the ambitious plan laid out by the Shanghai Industrial Investment Corporation (SIIC), China's biggest developer, and Arup, one of the world's biggest engineering consultancy firms. By 2010, Dongtan is planned to boast a "demonstrator" inhabited by 50,000 people, growing to half a million by 2040.

The development will be in the Dongtan Ramsar Wetlands, which could cause serious complications. The Dunlin, a migratory shorebird, goes through the area according to Wetlands International. Complicating things as well is the Shanghai Yangtze River Bridge and Tunnel project, which will be one of the longest ever constructed, and will drop traffic off quite close to Dongtan. With China's car growth, and the expected boom in cross traffic between Shanghai and it's northern neighbor Jiangsu Province, this might be a pollution problem for the island. All the same, eco-development in the area is booming, with both Chinese and German firms exhibiting ecofarm projects at Shanghai's EcoBuild 2006.

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