Marc Becher/Flickr

设置正确的全球目标

哥本哈根—在过去半个世纪中,总的来说世界比以前美好了很多。怀疑派会对总体改善的观点嗤之以鼻,但数据不会撒谎。如今,我们面临的问题是让世界进一步变好。

1960年,有2,000万五岁以下儿童死去。2011年,仍有太多太多的儿童夭折。但是,尽管儿童数量增加了40%,死亡数量却下降了三分之二,降至690万。

1970年,只有5%的婴儿能获得麻疹、破伤风、百日咳、白喉和脊髓灰质炎疫苗。2000年,这一比例为85%,每年可以拯救约300万生命。每一年,这些疫苗拯救的人数便超过了世界和平在二十世纪所拯救的人数。

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