For Jennifer McNevin, her interest in sustainability began after watching the “Food, Inc.” documentary on America’s food industry.

McNevin and her husband, Greg Koury, and their business partner, Ahmad Modoni, own Manuel’s Mexican Restaurant, which has locations downtown and on Jollyville Road in the Great Hills area.

Watching the documentary on how food is produced inspired McNevin to change their business practices, she said. After a year of searching for new food suppliers, Manuel’s now serves wild-caught seafood, all-natural meats free of hormones and antibiotics, non-genetically modified corn chips and other locally sourced products, she said…