I am actually writing a research paper/ graduate project ( Visualization) for my final class in graduate school. To answer your questions - Yes, everything is chemical free etc.... such as organic cotton, wood is finished with water-based low-voc finishes, FSC certified wood etc... It is actually a renovation and I have done sun studies but this is just a backdrop with a couple of lights in it for furniture modeling/material expermientation. They will be put in the major file with correct sunlighting. I hope that sustainable will not be just a fad but become a major factor in design that should always be considered. I am interested in the sustainable design process and using visualization as a tool in the design process. Still alot , I mean a whole lot of work to go