Farmers use nearly 900 million pounds of pesticides every year. Sometimes those chemicals drift to neighboring property, which can ruin crops on organic farms.
Anthropologist Catherine Tucker brings us the perspective of coffee growers. S.K. Quigley roasts the beans. Daniel Orr uses coffee in a barbecue sauce.
Drift can happen with any weed killer. A stiff breeze can carry tiny droplets from the sprayer in one field to the vineyard next door.