April 2021

Walk/Ride Day
All Day

Walk Walk/Ride Days and the Green Streets Commuter Challenge inspire community members to explore environmentally-friendly and healthy transportation options and find a commute they love.

Walk/Ride Day is the last Friday of every month. It’s an opportunities to change up a commute and try out an alternative—the

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Nature’s Best Hope — Video of a recent talk by Doug Tallamy
All Day
Recent headlines about global insect declines, the impending extinction of one million species worldwide, and three billion fewer birds in North America are a bleak reality check about the role landscapes and gardens have in sustaining critical b
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A Watershed Moment That Can’t Be Ignored
All Day

The Charles River winds its way through 23 different communities from Hopkinton to Boston For centuries, the river has collected storm water run-off, which carries trash and harmful substances such as gasoline and fertilizer run-off as

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The Annual Earth Day Charles River Cleanup—With A Virtual Twist!
All Day

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

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Seeds and Glory
All Day
Seeds and Glory focuses on our most vulnerable neighbors. The project offers herb seeds and small potted seedlings for seniors and those with limited access to gardens or who don’t have a garden of their own. Herbs are known to r
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A Bird Walk For Beginners with the Feminist Bird Club of Boston
8:00 am - 9:30 am

Come explore the early spring birds at Danehy Park with the Feminist Bird Club of Boston. This urban green space has several kinds of habitats so we should be able to observe a nice variety of birds—resident birds as well as migratin

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Charles River Conservancy Community Clean Up of the Charles
9:30 am - 11:30 am

On Saturday, April 24th we have reserved a slot for 20 #MHH365EarthDay volunteers to join us for clean up along the banks of the Charles River organized by the Charles River Conservancy.

Usually, there is a materials fee for this always

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Extinction Rebellion Earth Day Parade
1:00 pm

Extinction Rebellion invites you to join us for an Earth Day celebration on Sunday, April 25th. We will parade (in person) around the City of Boston to express gratitude for our planet and its biodiversity, push for immediate action on

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The Annual Earth Day Jerry’s Pond Clean-Up
2:30 pm - 5:30 pm

Come Lend Your Helping Hands!

Join Friends of Jerry’s Pond, Reservoir Church, Meadowscaping for Biodiversity, Ocean River Institute, Green Cambridge & Friends of Alewife Reservation for a Clean-Up of Jerry’s Pond!


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Activist Afternoons: Climate Edition
3:30 pm - 5:00 pm
Ready to make Some Good Trouble?

Join us for for an afternoon to help an amazing group of environmental activists in their work to pass critical climate and environmental legislation. See the six organizations who w

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Under A Full Moon With Cambridge’s Woodcocks
7:15 pm - 8:15 pm

Join us at dusk to celebrate the great American Woodcock. This unusual bird has been part of Native American and New England folklore for thousands of years and is a valuable species in our wetlands and fields. Luckily there are still

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“Ask Me Anything” About Being Zero Waste
6:00 pm - 7:30 pm

According to the EPA, the average American person will produce about 5.91 pounds of trash, with about 1.51 pounds being recycled; 4.40 pounds is the rough average daily waste per person.

That’s a lot of garbage!

It’s time for all of

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Get Ready for the City Nature Challenge
8:00 pm - 9:30 pm

Between April 30th and May 3rd, hundreds of cities worldwide will be celebrating Nature and gather observations of species found in our area with the help of all who want to participate in the worldwide 2021 City Nature Challenge&

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Youth Voices Are Loud! How Young Activists Are Changing the Conversation on Climate and Environment Justice
8:00 pm

Some of the most powerful and effective voices leading the way on climate and environmental justice are the voices of young people. Greta Thunberg, Varshini Prakash, Mari Copeny, Isra Hirsi, Autumn Peltier, and Bruno Rodriguez are just

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Climate and Environmental Justice in Cambridge and Beyond
8:00 am - 9:00 am

How do we get from Environmental Racism to Justice and Healthy Communities for All?

For the past 100 years, local, state, and federal laws and policies have put Black and Brown communities in direct proximity to env

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The Sunflower Project
All Day

The Let’s Grow Something Together Sunflower Project encourages neighbors in Cambridge/Somerville to grow sunflowers throughout our neighborhoods and document our journeys. 🌻

The project was inspired by Roxbury artist and friend

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Calling All Citizen Scientists! Help Count Herring in the Mystic—And Ask Me Anything About Fish
4:00 pm - 5:30 pm

Become a Citizen Scientist!

A spectacular migration occurs each spring in the Mystic River and moves through the heart of greater Boston—invisible to most people. More than 750,000 river herring from the Atlantic Ocean return to the r

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Pollinator Pathways: Encouraging Biodiversity in Urban Habitats
8:00 pm - 9:15 pm

Get to know the superpowers of native plants and pollinators.

Have you ever wondered why butterflies and birds visit some gardens but not yours? Are you interested in increasing biodiversity in your backyard or on your fire escape? Are

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