降低人口增长

全球关于人口政策的争论是混淆不清的。一种意见认为,越来越多的人口数量威胁着我们的生存环境和经济繁荣。土地、水、能源、和生物多样性受到的压力都比以往来得更大,而人口增长似乎是造成这个压力的重要因素。

但另一种意见--主要是来自富裕国家--认为,如今的家庭都只有很少的孩子,将来都不够照顾年老的父母。

那些焦急于人口增长速度的人们有着更好的理由。因为欧洲、日本、美国一小部分地区、以及一些中等收入国家面临的老龄化问题是可以想办法解决的。而且,放慢人口增长速度带来的好处要超过调整所需的成本。

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