The paper makes no effort to calculate the magnitude of the costs and disruption involved, but despite the discreet presentation, makes clear that they will reverberate across the entire global economic system.
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In an influential but highly controversial paper called "Key Elements of a Global Deal on Climate Change," British economist Nicholas Lord Stern, formerly a high British Treasury official, has declared that industrial economies would need to cut their per capita carbon dioxide emissions by "at least 80% by 2050," while the biggest economies, like the U.S.'s, would have to make cuts of 90 percent. Stern also calls for "immediate and binding" reduction targets for developed nations of 20 percent to 40 percent by 2020. To meet Stern's 2050 goals, he says, among other things, "most of the world's electricity production will need to have been decarbonized."
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