Now that the UNFCCC process has finally put the last building blocks of Article 6 in place, what role does that leave for the voluntary carbon market?It’s going to be a battle of standards. And credibility. And reputation.Those of us who remember the Clean Development Mechanism and its infrastructure may well have already envisioned how it could develop: the Article 6 Supervisory Body (SBM) will become a sort of arbiter-in-chief, approving project methodologies, registering projects and issuing