２１世纪是知识经济时代。知识经济是可持续发展的经济 ,也是人类追求优美环境的世纪。人类在工业经济时代所付出的环境代价 ,将有待于知识经济时代加以弥补。实施可持续发展战略 ,就是要在满足当代人类发展需要的同时 ,为后代留下一个可以持续利用的资源环境。围绕自然资源的? The 21st century is the era of knowledge economy. Knowledge economy is a sustainable development economy, but also a century of human pursuit of a beautiful environment. The environmental cost paid by mankind in the era of industrial economy will have to be offset by the era of knowledge economy. To implement the strategy of sustainable development is to meet the needs of contemporary human development while leaving a sustainable resource environment for future generations. Around the natural resources?