Carbon Finance: Japan’s largest opposition party has introduced a bill calling for an ambitious 25% cut in greenhouse gas (GHG) emissions from 1990 levels by 2020. The bill, brought forward by the Democratic Party of Japan (DPJ), which has historically been in support of stiffer reduction targets, went before Japan’s upper house of parliament on Friday. “I don’t think the bill will be adopted,’ said Yuji Mizuno, a manager at research group Institute for Global Environmental Strategies. “At …