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Celebrate Earth Day and the natural world around us here in Cambridge with an afternoon of discussion and exploration of our urban environment! Join the hosts of Cambridge Public Library's two climate-focused book groups for a brief guided conversation followed by an interactive scavenger hunt that will explore the areas around the library. You'll make connections with neighbors, learn more about our area's changing climate, and see the efforts and actions people in Cambridge are taking to protect the planet. We will meet in the Rossi Room of the Main Library and then head outside to complete a scavenger hunt. Attendees are welcome to stay in Joan Lorentz Park or areas surrounding the library to complete the scavenger hunt or head to any other outdoor location!

THIS EVENT HAS BEEN CANCELED DUE TO THE WEATHER Come explore the nature in our urban backyard! We will take a leisurely walk as we observe and learn together about the animals and plants at Alewife Reservation. You are welcome to bring binoculars, magnifying glasses or any other observational tool. The paths and boardwalks are well maintained but can be muddy in places. The walk will meet at the stone benches by the wetland boardwalk. To view the location in Google Maps and get directions, click here. Limited free parking is available in the Alewife Reservation lot on Acorn Drive. In case of inclement weather, this event will be canceled. Registration is helpful but not required. For more information call the O’Neill Branch at 617-349-4023.

Meeting minutes of the Avon Hill Neighborhood Conservation District Commission meeting held September 23, 2013

MA250 commemorates the 250th anniversary of the American Revolution. Learn more about MA250 in Cambridge.

Information about projects subject to the Planning Board Advisory Consultation provisions of the zoning ordinance

Information about projects subject to the Public Advisory Consultation provisions of the zoning ordinance.

MIT in collaboration with the City of Cambridge is planning to install a new drainage structure from Talbot Street to the Charles River to improve stormwater management in the area due to current and future development. The project will begin construction in October of this year and continue through to the Fall of 2019.

On Wednesday, October 8, 2025 CPD joined other community members on the lawn of City Hall for the annual Domestic Violence Vigil. The vigil is held each October during Domestic Violence Awareness Month to honor the Massachusetts women, men, and children who have tragically lost their lives during domestic violence incidents over the past year.

The Department of Transportation oversees public parking and traffic operations, including the Resident Permit Program.

MESSAGE TO ALL CITY EMPLOYEES ON THE RELEASE OF THE RHP REPORT, executive summary report