A prominent policy option for carbon sequestration is large-scale tree planting, but the UK is falling far behind on its tree-planting commitments. When most people imagine tree planting efforts, they envision afforestation. However, the question of where to plant large numbers of trees is often complex. This report provides an introduction into agroforestry, its benefits for climate and food production, and its role and context in potential futures of the UK agricultural sector.​