Title Towards food sovereignty: reclaiming autonomous food systems 
Contributor International Institute for Environment and Development (IIED)
Content Towards Food Sovereignty is an online book with linked video and audio files. The first three chapters, available here, begin to describe the ecological basis of food and agriculture, the social and environmental costs of modern food systems, and the policy reversals needed to democratize food systems.
Link http://pubs.iied.org/pdfs/G02268.pdf