By Carol Frischmann, author, Pets and the Planet: A Practical Guide to Sustainable Pet Care

Bette Hanson and co-pilot Sascha are fans of using organic foods when possible, as I am.  The terms “natural” and “organic” confuse people.  Here’s the difference:

“Natural” foods are not “organic.” When manufacturers do not use the word “organic,” it’s because they can’t. If even 70 percent of the ingredients are organic the label will say so because the marketplace comma...