Natural Stone Pebbles News

Sunday, July 15, 2007

Eco-City to be built in Water-Scarce Northern China


Four locations in water-scarce northern China have been chosen as possible sites for an "eco-city" development with Singapore, a Chinese official was Thursday quoted as saying. The locations would allow the eco-city project to tap into Singapore's expertise in water technology, China's Vice Construction Minister Qiu Baoxing was quoted as saying in The Straits Times.
He was part of a delegation, led by Vice Premier Wu Yi, whose four-day official visit to the city-state was to end Thursday.
Singapore's Deputy Prime Minister Wong Kan Seng said the plan was to build a "socially harmonious, environmentally friendly and resource conserving" city, the newspaper quoted him as saying.

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Wednesday, July 11, 2007

China's huge dam changing weather


What promises to be the world's largest dam is already changing local weather two years before building has finished, say scientists. Scientists study the Three Gorges Dam on China's Yangtze River have used modelling and actual meteorological data to suggest that the reservoir is cooling its valley, which is causing changes in rainfall.




"In China there are a lot of people who complain because of the construction of
the dam" and specifically about changes in local weather, says climate
modeller
Dr Liguang Wu of the NASA
Goddard Space Flight Center and the University of Maryland in College
Park.


To find out if the dam was really to blame, Wu and his colleagues collaborated with Chinese scientists to study the changing climate around what will soon be a 1000 square kilometre reservoir of more than 19 trillion litres of water and a hydroelectric power plant 20 times more powerful than the Hoover Dam.The researchers combined satellite data and ground weather stations to create a computer climate simulation, which they then compared to what has already happened in recent years.

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