Poor Thomas Malthus. The 18th-century theorist, who believed that population increases would inevitably be checked, must have turned in his grave when the seven billionth person was born on October 31 this year. (The timing was disputed, but that was mere detail.) The event meant that the world’s population had doubled in just four decades. If present trends continue, it will hit 9bn by 2045/50.
可憐的馬爾薩斯(Thomas Malthus)。這位18世紀的理論家堅信人口增長將不可避免地受阻，如果他知道世界人口在今年10月31日增至70億（具體時間仍有爭議，但那只是雞毛蒜皮的細節），他在九泉之下也不會安寧了。這一事件意味著，世界人口在短短40年里增加了一倍。按照目前趨勢，世界人口到2045至2050年將增至90億。
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