The impact that food production has on climate change will be a key topic of debate in Copenhagen over the next fortnight. Europe's food industry body, the CIAA, says the issues of climate change and food security are "intrinsically linked". The sector can point to some success in lessening its effect on the environment in recent years but, as Ben Cooper reports, the CIAA will not only have to show that the food industry is part of the solution but also demonstrate that it is not part of the problem.