Permaculture links-

On Sepp Holzer,Austrian Forerunner of Permaculture practice http://www.richsoil.com/sepp-holzer/sepp-holzer-permaculture.jsp 

Permaculture Project, Llc in Illinois http://www.permacultureproject.com/

Sustainable Living Colation, Fairfield Iowa- http://www.sustainablelivingcoalition.org/

 

Iowa Ecology Groups-

Leopold Center for Sustainable Agriculture- http://www.leopold.iastate.edu/

Practical Farmers of Iowa- http://www.practicalfarmers.org/

 

Sustainable Building-

Whole tree/ round wood architechture- http://www.wholetreesarchitecture.com/

Strawbale building Information- http://www.strawbale.com/

Solar heating discussion group- http://tech.groups.yahoo.com/group/SolarHeat/