GLOBAL ENVIRONMENTAL CHANGE AND FOOD SECURITY

By Dr Polly J. Ericksen, Environmental Change Institute, Oxford University Centre for the Environment, Oxford, OX1 3QY, UK  

To fully understand the impacts of global environmental change on food security, it is important to focus on food systems, not just agricultural production, because climate change affects food security through multiple paths, not just through the direct effects of climate change on crop yields, for example.