The Nation: Signaling China's ambition to be the world's leader in solar energy, Beijing officials announced in January that the country had installed an impressive seven gigawatts of solar power capacity in 2012 and would add an additional ten gigawatts this year. The bold announcement is consistent with the "Green Leap Forward,' China's goal to assert global leadership in renewable energy and low-carbon development. At the United Nations Climate Change Conference in Copenhagen three years ago, Wu Changhua,...