Following on from our visit to the Coin Street Community Builders you need to plan and create the perfect sustainable community - surely it's possible!
Some starting points to help you with your plans:
What makes a community sustainable?
The UK Government's plans forEco-towns - watch this video to get you started!
The Government passed a Sustainable Communities Act in 2007 - find out more here
Curitiba is a well known example of model for a sustainable city - it is in Brazil! There are some links from this page
You might also like to look at the CSCB website too, in addition to your work from the visit.
Good Luck!