Earth Day 2021 is coming up on Thursday, April 22nd. If you are wondering “What can I do for Earth Day”, we have you covered. Luckily there are a number of fun, insightful events in the Boston area that will allow you to mark Earth Day by celebrating the beauty of our planet and understanding the ecosystems that have made it their home.

We have rounded up events for kids, adults and families. There are paid events and free events. In-person events and online events as well. We have it covered for you. 

How to celebrate Earth Day 2021 in and around Boston

Earth Day Festival

Join us for a family-friendly Earth Day celebration at the Boston Nature Center! Together we’ll create environmentally friendly gardening take-home projects, design land art, and learn about how we can advocate for the environment. Explore the trails during a self-guided story book walk and enjoy being outside with friends and family.

Location: Boston Nature Center and Wildlife Sanctuary, Mattapan MA

Audience: Family(suitable for children 5 & up)

Where: Boston Nature Center and Wildlife Sanctuary, Mattapan MA

When: April 17, 2021 (Saturday) 1:00-4:30pm

Members: Adult $10.00, Child $10.00

Non members: Adult $12.00, Child $12.00


Rivers and Migrating Fish

Help wildlife, help the environment, help scientists and know more about cute river herring. Every year, river herring swim from the harbor up rivers to lay eggs in fresh water. This amazing wildlife story is largely invisible. Join us and discover the remarkable ecological success story of river herring on the Mystic River. Find out about river herring lifecycle, the Mystic River, and hear from scientists studying the fish. YOU can be involved in gathering data through our web-based community science project.

Where: Online

When: 11:00 AM  12:00 PM

How Much: Free. Register here.


Earth Day Celebration at Cambridge Public Library

We invite children of all ages and their grownups to join us from home for songs and stories to celebrate Earth Day, along with an introduction to kitchen scrap gardening If you would like to participate in the hands-on activity, please have on hand the following. However, this is not required for participation in the program Kitchen scraps End of a head of lettuce, carrot stick, celery in a bunch, tomato slice, bell pepper, squash, Bowl, Water, Small/medium pot for planting, or outdoor garden space, Potting soil.

Where: Cambridge Public Library – Online

When: Tuesday, April 20, 2021 2:00pm – 3:00pm

Audience: Children


Earth Day Youth Art Contest

Join the Museum of Science in celebrating Earth Day, April 22, 2021!

Now through Saturday, April 17th, we are accepting 2-D digital art entries from K–12 students for our Earth Day Youth Art Contest

Where: 1 Science Park Boston, MA 02114

When: 9:00 am – 5:00 pm

Audience: Recommended for: Grades K – 12 and adults


Earth Day Workshop

This Earth Day we are celebrating all of the creatures of the air! There are so many amazing animals that call the sky their home, like songbirds and chickadees, blue jays and cardinals, and red-tailed hawks and owls. In this workshop, we will make kites painted with the designs of your favorite bird. We will learn about how to make a flying kite using air mechanics and will also learn about how birds travel through the air.

Location: The Umbrella Arts Center

Age range: Kids and families Students min/max: 10

When: Saturday, April 17 at 1:00pm

Cost: $5/individual, $10/family

Where: The Umbrella Arts Center, 40 Stow Street, Concord, MA 01742

When: One at 1-2:00pm and one at 2:00-3pm

How Much: $5/individual, $10/family


Alewife Reservation Earth Day Cleanup

Alewife Reservation, one of the largest urban wilds in metro-Boston, is home to dozens of species of birds, deer, coyotes, muskrats, turtles, and more. After a year of limited cleanups, this sanctuary needs many helping hands to remove trash and debris that have accumulated over the fall and winter.

Where: Mystic River Watershed Association, P. O. BOX 390 Arlington, MA 02476-0004

When: 10:00 AM  12:00 PM


Annual Earth Day Charles River Cleanup

The Annual Earth Day Charles River Cleanup builds on a national effort as part of American Rivers’ National River Cleanup®, which to date, has removed over 25 million pounds of trash from America’s waterways. From 2016 to 2019, the Annual Earth Day Charles River Cleanup was recognized by American Rivers for the Most Pounds of Trash Collected and Most Volunteers Mobilized.

Where:Close to volunteers’ homes and local river access locations

When: Monday, April 19 – Saturday, April 24


Earth Day Neighborhood & Trail Clean-Up Event

The Town of Andover’s Department of Public Works (DPW) in conjunction with Republic Services is hosting a Neighborhood & Trail Clean-Up Day in honor of Earth Day! The DPW will provide trash bags and gloves and Republic Services will provide the disposal of all trash collected from this event.

Where: Town of Andover – 36 Bartlet Street – Andover, MA 01810

When: Saturday, April 24, 2021 8 am-Noon (Rain or Shine)


Earth Day: Grow Your Meal Plan with Safiyat Hamiss Of Tasty Harvests

Let’s get started planning your garden with the ingredients you love eating by creating a meal plan and kitchen garden planner with your favorite recipes. We will discuss and visualize your garden setup, planning, Framingham growing seasons, plant size, and tending & harvesting your garden

Where: Online event

When: April 22, 2021 7:00pm – 8:00pm


Earth Day 2021: Nature Walks

On a tour of this beautiful property where trails narrow to squeeze between rock outcroppings and glacial erratics punctuate the woodlands. North Brook rattles and gurgles beside the trail as it slips under a flat slab of rock.

Where: Multiple locations

When: Thursday, April 22, 9:00 a.m


Weeklong celebration of Earth Day

Join the Harvard Museum of Natural History in celebrating Earth Day with engaging sustainability-themed virtual events and activities for all ages. Join the conversation as Harvard students and experts weigh in on our most pressing environmental challenges, on cutting-edge research, and on promising paths to a more sustainable future. Introduce young minds to environmental science with our live museum animals and HMSC Story Time. Find out how to reconnect with nature and record the biodiversity in your local area. Or, simply indulge in our staff recommendations for environmental books, documentaries, and online resources

Where: Stoughton Public Library 84 Park St, Stoughton, MA, United States

When: Monday, April 19, 2021 (All day) to Friday, April 23, 2021 (All day)


Pollinator Seed Bombs

With a little soil, wildflower seeds, and clay, we can help feed and give homes to our disappearing pollinators. All materials are provided

Where: 43 Church Street Dedham, MA 02026

When: 3:00 pm – 4:00 pm


Food Explorers Program

How do a few tiny seeds become the fruits and vegetables we love to eat? What do birds, butterflies, and bees have to do with our favorite foods? And how can the scraps from our plates help us grow more food? Find out the answers to these questions and more during Food Explorers, the Abbot Public Library’s newest STEM program for kids! Follow your food as it goes from seed to compost and farm to table. Each session will include stories and activities, as well as a take-home craft or simple science experiment to help us explore and connect to the food we eat. Join us in April as we kick off with a very special seed- and garden-themed story time in the Library’s Secret Garden to celebrate Earth Day

Where: 235 Pleasant Street Marblehead, MA 01945

When: 3:00 pm – 4:00 pm


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