Number 1: seeing Nabuur achieve practical results! See outcome from my document Nabuur 2010, reviewing the organisation, copy here: www.aplaceof.info

I have done many different jobs, have lived in Australia, the Philippines, Italy, USA and China. Trained in anthropology. Advised government on many issues. Managed aspects of aid programs. Been a small farmer, small business owner, a permaculture designer, interested in good planning for sustainable living. If you don't know what permaculture is, start here! :-)
http://en.wikipedia.org/wiki/Permaculture
--- it's a well-established approach to sustainable living... permanent culture, permanent agriculture, human energy budgets, practical solutions.