Jane Beatrice Wegscheider's prize winning portable, multi-media, installation piece honoring individual and collective efforts at sustainability is built around this mosaic topped dining table that has lots of room for a convivial gathering. Currently it is on exhibit at the Northampton Town Hall, but it will be traveling throughout our region.The prize was granted by the Pioneer Valley (Mass.) Sustainability Network, which is comprised of numerous private, municipal and non-profit organizations and networks devoted to bridging the gap…