The ninth annual Boston GreenFest returns to City Hall Plaza from August 19 to 21 for a free, end-of-summer event that connects people with nature in Boston’s urban setting. GreenFest features interactive exhibits, eco-solutions, health and wellness offerings, a multicultural outlook and a spirit of celebration.

“This event is all about being sustainable, healthy and helping to heal the planet so we can heal too,” says Executive Director Karen Weber. “We have many great events and exhibits, including a healthy new cleaning product made from salt, vinegar and water that is stronger than bleach. We also feature fitness offerings, healthy foods, alternative medicine and forums on Water and Resiliency and Our Energy Future.”

The three-day festival takes place at City Hall Plaza, Faneuil Hall and Sam Adams Park, in Boston, and includes music and dance performances from more than 20 countries, new innovations by entrepreneurs, robots and green tech, Zumba and BollyX, eco-fashion shows featuring models in up-cycled fashion, a community-wide art piece, award-winning documentaries, electric cars, and bikes that generate enough electricity to run a whole house. There’s also a wide selection of international cuisines, locally crafted ice cream and a wine and beer garden.

Cost: Free. Location: One City Hall Plaza, Faneuil Hall and Sam Adams Park, Boston. To learn more and to volunteer, call 617-477-4840 or visit BostonGreenFest.org.