'Radical transition' of economy needed to curb climate change: study

By Alister Doyle BONN, Germany (Reuters) - Harmful impacts of global warming such as heat waves and sea level rise are mounting and show a need for a "radical transition" to a greener economy, a study presented at U.N. climate talks said on Tuesday. "Negative impacts are not only something in the future – they are something now," said Zou Ji, a co-leader of the U.N. review of consultations about science policy for governments working on a U.N. climate deal in Paris in December. All sides at th