Now that the IPCC’s report is being misunderstood to mean that we’ll all have to survive on a diet of mung beans we would of course expect George Monbiot to weigh in. Which, obviously, he does. But in an interesting and for him what is going to be an uncomfortable manner. Because he raises the subject of opportunity costs:
The problem is that it concentrates on just one of the two ways of counting the carbon costs of farming.