Back to the future with nature's own construction materials

This is a nice article discussing the European construction industry's continued efforts to reduce the carbon footprint of buildings. With the 2030 Challenge drive driving towards carbon neutral buildings, the article is further support for the Urban Earth focus on improving the process of integrating low carbon, local and low tech materials for superior building envelopes: http://isobioproject.com/news/back-to-the-future-with-natures-own-construction-materials/