Wednesday, September 8, 2010

Video: BioSand Filters



Thursday, September 2, 2010

Ebook: Ecodesign, a promising approach to sustainable consumption and production



From
Brezet JC & Van Hemel CG.
Ecodesign: a Promising Approach to Sustainable Production & Consumption

©1997 Technical University of Delft & United Nations Environment Programme

http://www.ivt.ntnu.no/ipd/fag/ecodesign/theory/theory_frames.htm