I'll be meeting this man in Ghana over autumn. He teaches in Japan and has a very informative blog that goes over his projects: http://earthbagbuilding.wordpress.com/2010/04/

There is a radio program that is great and related to the environment, engineering, and education: http://www.bioneers.org/radio/2009-series/2009-radio-series

Inspirational:

Here is a website of an NGO that is in its latter stages of development. Its a great example of what I am trying to do with natural building in Africa with the Abetenim Project but more focused on orphans and health:

http://www.tzkids.org/home/what-we-do/housebuilding/