Agence France-Presse: Japan said Wednesday it plans to cut greenhouse gas emissions by the equivalent of eight percent from 1990 levels by the end of the next decade, a goal attacked as too little by environmentalists. Prime Minister Taro Aso announced Japan’s mid-term target ahead of a December meeting in Copenhagen set to hammer out a new climate treaty that will replace the Kyoto Protocol when it expires in 2012. “I have decided to aim at a 15 percent reduction from 2005,” Aso told a news …