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《Geo-information Science》 1999-02
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Resources and Environment of the World in 21st Century

Zhang Jinghu(China Culture University)  
In the 20th century, world population grows from 1. 5 billion to 6 billion along with even faster economic growth which has gone up by four times from 1950 to present. The world population increases at a rate of over 80 million per year, which will reach 9 billion in 2050. But as to whether world economy can be sustainably developed to improve or maintain the present living standard still needs to be studied. The decrease and increase of resources and environmental evolution are two major decisive topics.
【CateGory Index】: X21
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