Boston GreenFest By MiaP | August 7, 2017 | 0 Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: August 11, 2017 @ 12:00 pm – August 13, 2017 @ 6:00 pm 2017-08-11T12:00:00-04:00 2017-08-13T18:00:00-04:00 Where: City Hall Plaza 4 S Market St Boston, MA 02109 USA Cost: Free Events