Agence France-Presse: A panel of senior statesmen known as the Elders on Friday called for renewed efforts to conclude a world climate pact by the end of 2015 and appealed for a "carbon-neutral" planet by 2050.
"Given the compelling weight of evidence, it can be hard to understand why anyone is still dragging his or her feet on the coordinated action needed to reduce greenhouse gas emissions," the group said in a statement.
"Every year the world fails to act brings us closer to the tipping point when scientists...