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Tokyo’s CO2 cap-and-trade may set national standard

Asia’s first mandatory program to cut greenhouse gas emissions, launched last week by the Tokyo Metropolitan Government, could provide a much-needed model for the Japanese central government, which is struggling to design a nationwide emissions trading system this year.

Under the leadership of Tokyo governor Shintaro Ishihara, Tokyo aims to slash its carbon dioxide (CO2) and other heat-trapping gas emissions by 25 percent compared with 2000 levels by 2020. The program caps energy-related carbon dioxide emissions from some 1,330 offices and factories in the capital and allows for trading of emissions credits.