This product contains the following film(s): Film Title: Biological Control – A Natural Alternative (1989) 27 Minutes Agriculture is one of the United States largest industries and a threat to that industry is unacceptable. For years people turned to pesticides and toxic chemicals to get rid of such threats with negative impacts on the quality of food and people’s health. “Biological Control – A Natural Alternative” discusses using natural predators to eliminate common farming pests to reduce the chemicals used and gives a brief history of bio-control. Using the environment to combat the environment is not only practical and healthy, but an example of humans peaceful harnessing of nature.