Here's the dirt on green housekeeping.
Solomon
N B
NB
D016902:Air Pollution, Indoor / Q000517:prevention & control*; D001108:Architecture / Q000193:education / Q000379:methods*; D003252:Construction Materials; D017046:Cost Savings; D004496:Education, Continuing; D017598:Efficiency, Organizational; D004780:Environment, Controlled; D004784:Environmental Monitoring / Q000295:instrumentation / Q000379:methods*; D005160:Facility Design and Construction / Q000379:methods*; D006801:Humans; D008283:Maintenance