论文部分内容阅读
议题的背景2008年某期《华尔街日报》曾报道,到公元2050年地球总人口数量将从现在的69.1亿增加到91.9亿多。因此,人类对于稀有资源和不可再生资源的需求将会加剧,同时也将急需新的开发资源的
Background of the Issue In a 2008 issue of the Wall Street Journal, it was reported that by 2050 the total population of the Earth will increase from the current 6.91 billion to more than 9.19 billion. As a result, the demand for scarce and non-renewable resources will be exacerbated by humankind and will urgently require new development resources