Environmental Architecture links

http://www.passiv.de

http://en.wikipedia.org/wiki/Passive_house

http://www.wolvertonenvironmental.com

http://www.lime.org.uk

http://www.limecrete.org.uk

http://www.biotecture.uk.com

http://www.celotex.co.uk

http://www.blackmountaininsulation.com

http://www.eltlivingwalls.com

http://www.steico.com

http://www.cork-insulation.com

http://www.strawbale.com

http://en.wikipedia.org/wiki/Passive_solar_building_design

http://en.wikipedia.org/wiki/List_of_low-energy_building_techniques

http://en.wikipedia.org/wiki/Passive_house