BBC News Headline, 1300 GMT, 3 February 2011.

The Food Gap: The Impacts of Climate Change on Food Production: A 2020 Perspective, (Alexandria, VA, Universal Ecological Fund (Fundación Ecológica Universal FEU-US)

Michael T. Klare
"The Year of Living Dangerously: Rising Commodity Prices and Extreme Weather Events Threaten Global Stability," ZNet - Zcommunications.Org, (25 January 2011).

Lester Brown, "Could Food Shortages Bring Down Civilization," Scientific American, (May 2009).