Why so Many Pesticides? 33+%world's food crops lost to pests. Increased urbanization. Insect-borne diseases->people killed or disabled. Annual losses due to pests ~$100 billion. In Ghana,application of insecticides to control one insect increased cocoa production by 3x. One estimate is 12%increase in crop loss if all pesticides banned?????? $1 spent->$4 saved.Wh M P ti id ? Why so Many Pesti cides ? 33+% world 33+% world s food crops lost to pests 's food crops lost to pests . Increased urbanization. Insect -borne diseases -> people killed or disabled. Annual losses due to pests ~ $100 billion. In Ghana, application of insecticides to control one insect increased cocoa production by 3x. One estimate is 12% increase in crop loss if all pesticides banned?????? $1 spent -> $4 saved