COP15 looks like it may well be a cop out. The world was disappointed when it became clear Barack Obama would not get climate protection legislation through the U.S. Senate, endangering any meaningful global agreement. But a much earlier cop out came when agriculture failed to make it onto the agenda at all. There is growing awareness of this sector's significance. Within the E.U., the food we eat represents nearly a third of the climate footprint of consumers. When it comes to tackling farming's footprint, all eyes have been on livestock-related methane emissions and nitrous oxide emissions from fertilised fields, …