Renewable Energy, Green Buidling & Living Expo Sat Feb 2, 10-8 Sunday Feb 3, 10-4 at the Bayside, 200 Mount Vernon Street, Dorchester, MA 02125 $10 to get in, or if you volunteer its FREE by MBTA, JFK/UMass Red Line stop. see www.goinggreenexpos.com or call 603-254-4967