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一项研究显示:2003年,中国GDP对世界总贡献率为4%,而这4%的贡献,中国是以全球7%的石油、30%的原煤、27%的钢材、25%的铝材和40%的水泥等能源与自然资源的消耗构筑起来的。参与研究的中国科学院可持续发展战略首席科学家牛文元认为,本世纪,中国的发展进程会不可避免地遭遇到包括能源和自然资源超常规利用等在内的六大基本挑战,另5个挑战分别是:人口三大高峰即人口总量高峰、就业人口总量高峰、老龄化人口总量高峰相继来临的压力;生态环境虽局部改善但整体恶化;实施城市化战略的巨大压力; 缩小区域间发展差距并逐步解决三农问题;国家可持续发展能力建设和国际竞争力培育。
According to one study, in 2003, the contribution of China’s GDP to the world was 4%. As for the contribution of 4%, China contributed 7% of the world’s oil, 30% of coal, 27% of steel, 25% of aluminum And 40% of cement and other energy and natural resources consumption build up. Niu Wenyuan, chief scientist of the Chinese Academy of Sciences’ sustainable development strategy participating in the study, believes that this century China’s development will inevitably encounter six basic challenges including unconventional use of energy and natural resources. The other five challenges are : The three peaks of the population are the peak population, the peak of the total employment population and the peak of the total population of the aging population. The ecological environment has been partially deteriorated but the overall situation has deteriorated. The enormous pressure to implement the urbanization strategy and the reduction of the development gap between the regions And gradually solve the issue of agriculture, rural areas and farmers; national capacity for sustainable development and cultivation of international competitiveness.