Ecological Architecture P.A. is a Kansas based corporation with commercial & residential projects in Kansas, Colorado, California, Missouri, North Carolina, and New Mexico. Currently we are also designing a custom home in Ft. Worth, Texas. About 1/3 of our work includes residential remodeling & additions and Sven has been a recent member of the Historic Resources Commission in Lawrence. Green building & sustainable practices are included in much of our work and we have many excellent local references. Sven is a 1975 graduate of KU.