The world’s population reached the 8bn mark this month, but it had already passed two other significant milestones: the total number of people aged under 15 has peaked at 2bn, and more than half of us now reside in cities.
本月,全球人口突破80億大關,但有關這件事的討論超過了另外兩個重要里程碑:15歲以下人口總數達到20億的峰值,而且我們中一半以上現在居住在城市。
您已閱讀4%(294字),剩余96%(6587字)包含更多重要信息,訂閱以繼續探索完整內容,并享受更多專屬服務。