- 11th Annual Earth Day Charles River Cleanup
- 4th Annual Friends of Choate Park Earth Day Cleanup
- 8th Annual Sustainable Living Expo
- A Grand Old Tree Earth Day Celebration: Wenham Museum
- Bedford Farmers' Market
- Biodiversity Celebration: Joppa Flats Ed. Center
- Blooms and the Boston Flower & Garden Show
- Boston Shines Earth Day Project
- Boston's Gardens & Green Spaces-Lecture & Book Signing
- Build a Fairy House
- Celebrate Earth Day at Dover Children's Museum
- Celebrate Earth Day's 40th: Halibut Point Reservation
- Children's Drop & Shop
- Christmas Tree Recycling: Gloucester & Rockport
- Christmas Tree Recycling: Wilson Farms
- Citizen Scientist Turtle Survey
- City of Boston Arbor Day Celebration
- CitySprouts 10th Anniversary Gala
- CoastSweep Statewide Beach Cleanups
- Composting — Making Good Soil
- Crazy For Compost Family Program
- D2E (Down 2 Earth) Kid's Block
- DCR's Park Serve Day 2010
- Down:2:Earth Sustainability Expo
- Earth Day Animal Art Collage: Wenham Museum
- Earth Day at Boston Children's Museum
- Earth Day at Mass Hort
- Earth Day at Walden Pond
- Earth Day Block Party at Whole Foods Dedham
- Earth Day Celebration at Sugar Hollow Farm
- Earth Day Coastal Clean Up: Trustees of Reservations
- Earth Day Family Celebration: Garden in the Woods
- Earth Day Festival at the Ecotarium
- Earth Day in Townsend, MA
- Earth Day: Franklin Park Zoo
- Eco-Friendly Event with Handy Manny
- Eco-Friendly Event with Handy Manny 1
- Elegantly Green Wedding Showcase
- Envirofest 2009 & E-recycle Day
- Essential Oils Workshop
- Essential Oils Workshop
- Exhibit Grand Opening: Dream Green
- Families for Clean Energy & a Clean Environment
- Family Nature Walks and Hikes with Bay State Kids Outdoors
- Family Swap Day
- Farmers Market
- Festival for a Nuclear Free Future
- Franklin Park Coalition's Annual Meeting
- Franklin Park Edible Plant Walk
- Franklin Park Spring Clean-Up
- Gardening at the Library
- Gardening for Kids at Watertown Library
- Go Green - Jewish Earth Day
- Go Green 2010: a community day for the environment
- Green Day Fair & Yard Sale
- Green Hour: Wenham Museum
- Green Living Fair: Hamilton-Wenham Library
- Green Parenting for Healthy Kids
- Green Parenting for Healthy Kids
- Green Schools Community Fair
- Green Youth Summit
- Harvest Energy Fair
- Harvest Your Energy Festival
- Heirloom Bulb Sale
- Herb & Heirloom Plant Sale at Elm Bank
- HGTV Green Home Charity Tour
- High School Green Fest & Green Community Fair
- Home EcO - Sewing Block
- Home Eco: Reusable Sandwich Bags
- In the Fields with the City Harvest Youth Corps
- Kids Earth Fest- NSJCC West Peabody
- Kids' Garden Club at Barefoot Books
- Living Green & Renewable Energy Fair
- MassHort & Society Row Plant Sale
- Mother-Daughter Volunteer Day
- Musketaquid Arts & Environment Earth Day Parade
- Musketaquid Earth Day Celebration
- Mystic River Music Festival for Green Awareness
- Nantasket Home Show & Ninth Annual Sustainable Living Expo
- National Trails Day at Franklin Park
- Naturally Green Garden Tour
- Parent Workshop – Green Parenting for Healthy Kids
- Party for the Planet: Roger William's Park Zoo
- Party for the Planet: Roger Williams Zoo
- Power Plant Information Session Andover
- South Shore Goes Green
- Styrofoam Recycling Chelmsford, MA
- Summer Tree Walk at The Discovery Museums’ Half-Price Friday
- Sustainability Fair at Brookwood School
- The Great Cloth Diaper Change
- Triscuit/Urban Farming Community-Based Ground Breaking Event
- Tu B’Shevat: Celebrate the New Year of the Trees
- Turning the Tide: Organic Farming
- Water Commons; Exploring Water Stewardship
- Watersheds - Exploring Water Stewardship
- WGBH Screens 2009 Sundance Film 'Earth Days'

