 Integrated pest management, IPM, is a leading complement and alternative to synthetic pesticides and a form of sustainable intensification with particular importance for tropical smallholders. It has been shown to reduce pesticide use by up to 50 percent, while increasing crop yields by up to 41 percent. Despite this, policy support for IPM is relatively rare, counter-interventions from pesticide industry common, and the IPM challenge never done as pests, diseases and weeds evolve and move. This article was authored by Jules Pretty and Zerine Pervez-Berucha.