Engineering News 16 July 2010.

South Africa’s built environment is earmarked as a sector having a significant role to play in becoming more energy efficient and environmentally sustainable. But with a low-income housing backlog of more that two-million units, the affordable-housing sector potentially also has an important role to play in employment creation and in creating manufacturing opportunities…

http://www.engineeringnews.co.za/article/best-in-class-design-used-to-prove-green-houses-can-also-be-affordable-2010-07-16