Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Single Built Works (hierarchy name)
5. single built works (built environment)
6. [single built works by specific type]
7. [single built works by design]

Anotations

Scope note:

Buildings that employ methods and systems aimed at making optimal use of electricity and other resources, including using the largest possible proportion of regional resources and materials, in contrast to the conventional, inefficient practice of providing for only minimal efficiency in use of energy and drawing materials and energy from distant, centralized sources.