GREENFIELD, MA (FRANKLIN COUNTY NOW) — The Greenfield Historical Commission is holding a public hearing Thursday at 5 p.m. in the John Zon Community Center and via Zoom on the YMCA’s application to demolish the Zion Church building next door. The YMCA’s application shows they plan to use the space to expand their playground area and open a third preschool room, if they move forward with the demolition.