Here you'll find some books focusing on how to accomplish many kinds of sustainable community development projects. This
is the right page for you if you want good practical advice.
Turning the Sustainability Corner: How to Indicate Right
Asset-Based Community Development
Where We Live: A Citizen's Guide to Conducting an Environmental Inventory
Community Organizing: Building Social Capital as a Development Strategy
Collaboration Handbook: Creating, Sustaining, and Enjoying the Journey
Future Workshops: How to Create Desirable Futures
And, some sources of ideas:
Eco-Pioneers: Practical Visionaries Solving Today's Environmental Problems
The Problem-Solving Pocketbook
DIY Futures: Peoples' Ideas and Projects for a Better World
Creative Speculations: A Compendium of Social Innovations
The last three are available through the Institute for Social Inventions.