What is the fine-grained topic of the following text: The 5 week summer class at Evergreen, Tiny Homes, Earthships, and other Innovative Buildings: Design Principles for Low-impact Homes, taught by faculty member Scott Morgan, was looking at how that camp became tiny houses, and how those tiny houses became homes. Only return the topic.
Tiny Homes, Earthships, and other Innovative Buildings: Design Principles for Low-impact Homes summer class at Evergreen