Shanghai rolled out Wednesday a detailed scheme for carbon emission trading, following Shenzhen's response to the central government call to cut emissions.
Chinese government officials, environment and energy experts, and entrepreneurs have vowed to join hands in accelerating the process of building a nationwide carbon emissions trading market.
China's central government has injected 750 million yuan (121.56 million U.S. dollars) in subsidies to boost low-carbon transport in the past two years.
Hong Kong aims to reduce 30 percent of absolute electricity used in buildings by the year 2030 as compared to the 2005 level, said Ir Collin Chung, president of the Hong Kong Association of Energy Engineers on Monday.