Bjorn Lomborg: Bjorn 为全球问题订定先后次序
如果你有五百亿元，你首先会用来解决哪些问题？是爱滋病还是全球暖化？丹麦政治科学家Bjorn Lomborg 提出了出人意表的答案。
This talk was presented at an official TED conference, and was featured by our editors on the home page.
Since the Talk: 8 years later, the biggest problems in the world
Nearly a decade after he gave his talk, Lomborg shares his latest thinking on where we should focus spending to maximize social good.