Reuters: A new global climate change deal, due to be agreed in Paris in December, must give clear guidance that moving away from fossil fuels is inevitable and wise, economists said on Friday. It must also usher in an era when governments, businesses, activists and citizens find innovative ways to make that shift happen, experts told a Paris meeting of climate scientists. Paris will not solve all, of course, said Laurence Tubiana, Frances ambassador to the U.N. climate talks. But we have to have every...