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自 1992年由 178个国家参加的“联合国环境与发展大会”后 ,可持续发展已成为世界各国共同的发展战略。按照目前人口增长及科技与工业化的发展趋势 ,废物和污染物的排放大大超过了地球吸收消散这类物质的能力 ,自然资源的消耗亦超过了它的恢复能力。铸造业是能源和材料的消耗大
Since the “United Nations Conference on Environment and Development”, attended by 178 countries in 1992, sustainable development has become a common development strategy for all countries in the world. In accordance with the present population growth and the trend of development in science and technology and industrialization, the discharge of waste and pollutants greatly exceeds the capacity of the Earth to absorb and dissipate such substances, and the consumption of natural resources exceeds its resilience. The foundry industry is energy and material consuming