Useful world map showing agri output changes under Climate Change Bus-as-Usual

http://www.nytimes.com/imagepages/2008/04/16/business/20080417_WARM1_GRAPHIC.gif.html

You can see a looming food crisis by comparing this with a map on population growth -
http://www.nytimes.com/imagepages/2008/07/21/business/20080721_ArabFood_Graphic.html