Sydney Morning Herald: THE Australian at the heart of Papua New Guinea’s carbon trading rush is the entrepreneur and colourful racing identity Kirk Roberts, who has persuaded many tribal groups to sign their rainforests up for future use as carbon credits. Opponents call him the kingpin of the ”carbon cowboys” who have flooded into Port Moresby in the past few years. ”It’s no secret that I am one of the most important foreigners in PNG,” Mr Roberts told the Herald. The pioneer carbon …