will have 400 million more people living in its cities, raising
its urban population to 900 million.
Besides, new satellite
towns are mushrooming on the urban fringes while city ring
roads are rippling outwards into the countryside at amazing
speed. Satellite maps collected by Professor Joshua Bolchover
at the University of Hong Kong bring the problem sharply into
focus. They track the changing ruralurban framework in the
past 30 years, and suggest that cities are cruelly destroying
surrounding rural land and rapidly reducing the amount of
arable(可耕种的)land, which gives way to new residential
blocks, new industrial zones, new financial centers and the
other inevitable signs and signatures of economic growth.
This,
however,
is
not
sustainable
growth
pattern, especially when China has the world's largest population to
feed. So concerned urban planners are starting to note the
social and physical effects of diaspora(大移居)when replaced
rural communities are forced into the cities.
On the other hand, a trend of thought is gradually taking shape and this is the concept of the “garden city”, a combination of country and city that is being proposed by architects and city planners. Hua Li, from Tao Architects, is among the many professionals with such a voice. His argument is supported by a longterm study on this subject. As Hua says, the answer is to preserve patches of productive farmland within urban boundaries. Less transportation means we have fresh agricultural products at lower costs and less carbon emission in the city. And urban farmland can also be showcased for agricultural tourism and education.
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