Boston GreenFest celebrates many ways we can create a better world by greening our lives and our communities.  This year’s free event at City Hall Plaza on August 15 – 17 will include music, dance, ecoArt, hands-on learning, a wine and beer garden, green tech, eco-fashion, and more. Friday and Saturday noon – ten pm, Sunday noon – five.  Visit www.bostongreenfest.org for complete details.