Agence France-Presse: European Climate Commissioner Connie Hedegaard today threw down the gauntlet to major carbon emitters after a UN panel pointed to options to brake surging greenhouse gases in line with global ambitions. The report is clear: there really is no plan B for climate change. There is only plan A: collective action to reduce emissions now, Hedegaard said on her website. And since we need first movers to set a plan into motion, we in Europe will adopt an ambitious 2030 target later this year, Hedegaard...