GreenEXPO 2022 will be held on Sunday, October 16 from 11am-4pm on the Newton Centre Green in conjunction with the City of Newton’s Harvest Fair.  The GreenEXPO brings sustainably focused businesses, city departments, and community groups together in one area of  the Harvest Fair to share information about living a greener lifestyle. The day draws 1200+ visitors from Newton and surrounding communities.

We are now registering sustainably focused businesses and community groups. If you are interested in renting a booth at the GreenEXPO, please contact organizer Sunwoo Kahng at

Request Information


Black Earth Composting and their cute green carts at the GreenEXPO