Business Green: For the first time in several generations, this year’s Lib Dem conference actually mattered. To the surprise of almost everyone, not least the Party’s loyal members, the Liberal Democrat’s are a party of government. As such ministers responsible for real government departments delivered the week’s keynote speeches and the debates in the fringe meetings and bars had a genuine chance of shaping coalition policy. Nowhere was this clearer than in the area of green policy, where the …