U of I's Dan Anderson on recent research about the benefits of organic agriculture

As sales of organic food increase from one year to the next, it is clear that American consumers feel good about organic farming. And the wide variety of organic products available indicates we’ve come a long way since the days of hippie farmers. But questions about organic agriculture linger—is it really better for people and the environment? And does it represent a realistic alternative to the conventional systems developed over the course of the 20th century?