“Peak waste”指的是全球固体垃圾生产量达到最大的日期,它可以很好地表示人类对全球环境的影响达到最大的时间。
这一时间具体什么时候到来难以预测,但Daniel Hoornweg、 Perinaz Bhada-Tata 和Chris Kennedy在本期Nature上的一篇Comment文章中通过计算指出,按照当前的社会经济趋势,“Peak waste”在本世纪不会出现。这意味着,除非我们减少人口增长和物质消耗速度,否则地球将不得不承受不断增大的垃圾负担。
Hoornweg等人认为,稳定人口数量、对城市进行更好的管理以消耗更少的资源、使社会更加公平、以及使用高技术是让“Peak waste”尽快到来的手段。(生物谷Bioon.com)
生物谷推荐的英文摘要
Nature doi:10.1038/502615a
Environment: Waste production must peak this century
Daniel Hoornweg, Perinaz Bhada-Tata& Chris Kennedy
Solid waste — the stuff we send down our chutes, discard at work and put on the curb every week — is a striking by-product of civilization. The average person in the United States throws away their body weight in rubbish every month. When waste management works well, we give it little thought: out of sight and, usually, quickly out of mind. Discarded materials are collected, some are recycled or composted, and most are landfilled or incinerated. But the global view is troubling.