Reuters: Capping and trading carbon emissions will not be enough to fight output of the gases blamed for warming the planet, the managing director of Goldman Sachs’ U.S. carbon emissions desk said on Thursday. The bank’s carbon head Ken Newcombe was emphatic that cap and trade has huge potential in the United States, the world’s largest energy consumer. But government research and development budgets should also be boosted to complement cap and trade’s potential to spur innovations and …