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UPDATE: Due to the impacts of this week's winter storm, this walk has been canceled. There will be another walk on Wednesday, February 25th. Register for that walk at this link. Join us for a morning walk at one of the most renowned bird watching spots in Cambridge, Mount Auburn Cemetery! We will help you identify birds, learn birdwatching tips and tricks, and familiarize yourself with migratory birds as well as those that can be spotted all year round. A limited supply of binoculars will be available. The walk will meet at the Collins Branch Library at 64 Aberdeen Ave at 10:15 am. We will walk to Mt. Auburn Cemetery together (about a five minute walk). Please try to be on time as we will leave shortly after 10:15! Registration is required. This event can only accommodate a certain number of participants. One registration is good for one person. If you do not register, you cannot participate. Those on the waitlist will be contacted if a space becomes available.

Brochure explaining who needs a building permit and how to apply for one.

A free legal clinic for Green Card holders to apply for U.S. Citizenship

Join us for a special bilingual storytelling event that explores the true history and meaning behind Cinco de Mayo, a holiday often misunderstood in the U.S.

Form to request construction of traffic calming measures at a specific location.

Learn how to mitigate potential risks associated with Artificial Intelligence (AI) use and understand how these risks may impact or exacerbate underlying mental health diagnoses. This class will be delivered by a DOORS program instructor. To learn more about the DOORS program please go to: https://www.digitalpsych.org/doors-program.html To view and register for other Basic Tech Classes at the Library, please go to tinyurl.com/basictechclass. Registration is encouraged, but not required.

Green infrastructure has never looked so good! Bioswales are engineered gardens with special soil and plants to filter and absorb stormwater. They are a cost-effective, beautiful way to keep our water clean and protect our city from floods.

Every fire company in the city is an EMS unit, staffed with Firefighter EMTs, Paramedics, and Medical 1st Responders answering more than 7,000 EMS calls per year, providing optimal medical care 24/7/365, under any conditions.

Ever notice that the City of Cambridge is in the shape of a bow tie? Join the Cambridge Bicycle Committee for a relaxed, scenic two-hour ride tracing the bow tie shaped boundaries of the city.

Help us celebrate Public Works Week 2026 by joining City Staff at Joan Lorentz Park at 441 Broadway, in front of Main Library for a day of fun! Discover the vehicles and equipment of DPW!