Join Stephen R. Kellert, of Yale Universityâ€™s School of Forestry and Environmental Studies to learn more about biophilia, the theory that humans have an inherent need to affiliate with nature, at the Polly Hill Arboretum on Martha’s Vineyard Thursday, August 15, beginning at 7:30 pm. In this talk he discusses natureâ€™s powerful influence on the quality of our lives and how we must learn to only sustain those things which contribute to our own well-being. Sponsored by SBS. Book signing to follow. $10/$5 for PHA members.