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What "NOVA" 16-th episode about
In a world that each year loses up to 40 percent of its crops to insects, some form of pest control is desperately needed. But chemical pesticides have backfired. Pesticide-resistant insects frequently develop, and previously harmless insects have become devastating infestations. Farmers have found themselves trapped on a "pesticide treadmill" - the more they spray, the more they have to spray. NOVA examines several alternatives for pest control.
Episode number: 16
Episode name: "The Insect Alternative"
Episode release date: 25 may 1978 at 01:00
Status: aired