The BU rooftop is dotted with metal mushroom air vents. "The vents in many buildings, they have to exhaust the air, so they're blowing it out anyway," Phillips says. "We're just capturing it." ...

Clear furnace vents, roof vents and gas meters of snow, Three Rivers police ask. Updated: Jan. 07, 2014, 7:04 p.m. ... Snow drifts or plowed snow next to buildings: ...