Joshua Elliott (Chicago) and Don Fullerton (Illinois): Can a Unilateral Carbon Tax Reduce Emissions Elsewhere? Richard G. Newell, William A. Pizer, and Daniel Raimi (Duke): Carbon Markets: Past, Present, and Future. From the Journal of Economic Perspectives, a symposium on trading pollution permits. What’s cheaper than solar, slashes carbon emissions, and creates jobs in Kentucky? We are on the cusp of a tipping point in the climate: If the global climate warms another few tenths of a degree, a large expanse of the Siberian permafrost will start to melt uncontrollably. Michael O’Regan reviews Living in a Low-Carbon Society in 2050 by Horace Herring. Angry young men or Very Serious People: Whose approach can better achieve progress on climate change? David Roberts on supply, demand, and activism: What should the climate movement do next?

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