... commodities, including carbon, with the onset of the Arab Spring, the shutdown of nuclear power stations in Japan and Germany in the wake of the Fukushima disaster,1 and the downgrade of the United ... policy and the engine of the global carbon market, carbon prices plum-meted toward the end of the year.2 Yet even as prices declined, the value of the global carbon market climbed in 2011, ... 2012.20. Investments in wind and solar capacity in 2010 and 2011 amounted to 50 gigawatts in Europe.18 State and Trends of the Carbon Market 2012Trading volumes soared in 2011, coinciding with the...