Editor’s note: This is Part I of a three-part series on sustainability. Part I establishes what sustainability means, while future articles will highlight how feed, ingredient, and supplier companies, along with, poultry and livestock producers can profit from sustainable practices.
Clark
![Ed Clark](https://img.wattagnet.com/files/base/wattglobalmedia/all/image/2015/04/an.EdClark.jpg?auto=format%2Ccompress&crop=faces&fit=crop&h=160&q=70&w=160)