The drylands of the Global South are facing challenges from human population growth, unsustainable land-management practices, and climate change. Such problems are complex and can no longer be adequately addressed using traditional, top-down means. Rather, increased reliance on public participation is needed to better identify key research questions and interventions that promote positive change. Major actors in these approaches would include communities, applied researchers, outreach agents, policy makers, and planners working in tandem.