The publication is structured around key lessons which concern: prioritizing the social strand of sustainable development; environment as a platform for community-driven development; local organizations as delivery mechanisms for the Millennium Development Goals (MDGs); the fusion of modern and traditional knowledge, institutions, and management approaches; the importance of communications and networks in behavior change; the centrality of land tenure security and resource rights; the delivery of good governance at the local scale; the potential for scaling; the potential and imperative of scaling-up success; and the importance of partnerships.