the division of the world into the so-called developed and developing nations implies that the “developed” world has already achieved the achievable, and that poorer nations just need to catch up. But I don’t think that’s true. My own answer to the contrarian question is that most people think the future of the world will be defined by globalization, but the truth is that technology matters more. Without technological change, if China doubles its energy production over the next two decades, it will also double its air pollution. If every one of India’s hundreds of millions of households were
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