A writer and environmental activist who was present at the final Copenhagen climate talks says China sabotaged the deal and ensured Barack Obama would shoulder the blame. While China's Premier Wen Jiabao insisted his government had played an "important and constructive" role, the talks in the Danish capital ended with a political accord rather than a binding agreement. Mark Lynas, who was attached to the Maldives delegation, described what he saw at the talks as "profoundly shocking". "I am certain that had the Chinese not been in the room, we would have left Copenhagen with a deal that had environmentalists...