The International Energy Agency warns that if we do not get our emissions under control by a rather terrifying 2017, our fossil fuel economy will “lock-in” extremely dangerous warming. “The energy-related infrastructure then in place will generate all the CO2 emissions allowed” in our carbon budget for limiting warming to 2 degrees Celsius—“leaving no room for additional power plants, factories and other infrastructure unless they are zero-carbon, which would be extremely costly.” This assumes, probably accurately, that governments would be unwilling to force the closure of still-profitable
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