Opinion interview - Calling the tune

With the Kyoto Protocol on the verge of collapse, the search is on for a fo rmula to get us off the hook of global warming. One of the main contenders is a proposal by a professional violinist with no scientific training. Aubr ey Meyer has entranced scientists and enraged economists and many environme ntalists with his idea, but it is winning high-profile backers, such as Chi na and the European Parliament. He says it embraces science, Logic, fairnes s, even art. Could it yet save the world? Fred Pearce gets to the bottom of it.