The Irish Fiscal Advisory Council (Ifac) has sent several of its recent reports out into the world with a real panache for a catchy metaphor. Take, for example, its repose to the Budget, which contained pages of well-formulated but dry data on the State’s spending plans. The cover of the report itself, a cartoon tree brimming with golden apples, garnered almost as much attention as the figures inside. It was a clear nod to the Apple tax windfall. And, in its latest report, penned in conjunction with the Climate Change Advisory Council (CCAC), Ifac has come right out with a…