The Upper Valley Lake Sunapee Regional Planning Commission brought a recent APA web conference to Dartmouth this afternoon. The crowd was made up mostly Hanover folks with a planner from Acworth and Lebanon attending. Like many APA educational efforts, Mastering Density, focused on urban environs (70-120 units/acre) though the big take aways are pertinent to any locale. Good design of structures and adjacent space are critical to healthy, attractive density.