This document provides an introduction and literature review on a study about the contribution of agroforestry to livelihoods in selected barangays in Bula, Camarines Sur, Philippines. The introduction discusses how agroforestry can improve socioeconomic conditions and increase income levels by providing diversified crops and livestock. It then outlines the objectives and importance of the study, as well as its scope and limitations. The literature review discusses how agroforestry has been shown to improve rural livelihoods and socioeconomic status, provide various products and income opportunities, and deliver environmental benefits such as soil improvement and climate regulation.