Scott Justice

Abstract Use of drones has increased considerably over the past decade, reshaping activities as diverse as warfare, entertainment, delivery services, and disease control. One of the most consequential uses of drones—in agriculture—has taken off globally within only the past 5 years. This is upending expectations and may help to reconcile a fundamental sustainability dilemma—how to produce more food by using fewer inputs—but is also inducing trade-offs.

The Spread of Small Engines in the Nepal Mid-hills Over the past 10 years, the Nepal mid-hills experienced rapid agricultural and other types of rural mechanisation, especially through the spread of small-scale equipment.