China Daily: On a hot, humid day in Beijing, the environmental group Greenpeace released a report challenging China’s largest power-generation plants. In front of a coal-fired power plant, campaigners and volunteers stood at the dry riverbed of Yongding River on the western outskirts of the capital. They held a huge banner with a symbol for “No Coal”. The country’s top power companies are being asked to help move China away from coal and to cut carbon dioxide emissions by …