作者: D. B. Muller , T. Wang , B. Duval , T. E. Graedel
关键词: Iron cycle 、 Emerging market economies 、 Environmental science 、 Stock (geology) 、 Tonne 、 Sustainability 、 Natural resource economics 、 Scrap
摘要: Stocks of products in use are the pivotal engines that drive anthropogenic metal cycles: They support the lives of people by providing services to them; they are sources for future …