Tuesday, December 15, 2009

Okala ecological design online

http://www.idsa.org/whatsnew/sections/ecosection/okala.html

Natural Capitalism online

http://www.natcap.org/sitepages/pid20.php

Ecodesign Manual online

http://www.ivt.ntnu.no/ipd/fag/ecodesign/

Monday, December 14, 2009