Some wag dubbed the Prius the "Pious," for the smug self-righteousness of its greener-than-thou owners. CNBC ran a segment this morning highlighting an even pricier form of conspicuous green consumption: the installation of geothermal wells in Manhattan as an alternative form of HVAC. Narrating the segment, CNBC's Bertha Coombs observed "for many, it represents bragging rights in the pursuit of green luxury." That segued to a clip of New York magazine's Jesse Oxfeld explicitly making the conspicuous consumption point. View video here.