Is green construction going to be the same as the use of natural materials as a viable alternative to conventional construction? Guys still put up those haybale houses, real adobe houses, and yeah igloos
If you are into computers, maybe a paper on wiring buildings....current wiring, wireless, fiber optic etc. for the growing technological needs of companies and individuals.
Fire suppression systems.
Specific designs of buildings for security features.
Public/private building needs for compliance with the ADA, and the general aging of the baby boomers.
Maybe the integration of computers into the physical needs of the building, HVAC, lighting, security etc.
Design of public and government buildings to naturally thwart terrorist attacks.