Reuters: Russia’s announcement of weak greenhouse targets further ingrains the obstacles standing in the way of new global climate accord due in Copenhagen in less than six months time. Russian president Dmitry Medvedev has become the latest leader to commit an industrialised country to an all-important 2020 "mid-term" target for reducing greenhouse gas emissions. But it’s one that would see emissions rise, not fall, over the next decade. Medvedev set a target level of 10 to 15 per cent …