Wayne Martindale is Senior Research Fellow, Corporate Social Responsibility, at Sheffield Hallam University. The views expressed in this commentary are solely those of the writer. CNN is showcasing the work of The Conversation, a collaboration between journalists and academics to provide news analysis and commentary. The content is produced solely by The Conversation.
(CNN)Beef from Brazil, avocados from Mexico, lamb from New Zealand, wines from South Africa and green beans from Kenya -- food shopping lists have a distinctly international flavor.