In India and Africa, farmers are expanding production of jatropha, an inedible shrub that is grown on marginal land and requires relatively little water.

• 在印度和非洲，农民们正在扩大种植麻疯树，它是一种不可食用的灌木，在贫瘠的土地上也能生长，需要的水也相对较少。