Agence France-Presse: Japan on Wednesday will unveil a target of reducing its greenhouse-gas emissions by seven percent by 2020 compared with 1990 levels, Japanese campaigners said on Tuesday at the UN climate talks here. They lashed the reported goal as pitiful, saying it marked a mere one-percentage-point fall over Japan’s target for 2012 under the Kyoto Protocol, the treaty set to be superseded by a far more ambitious global pact. The target will be announced by the government as part of a larger …