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The Arthropod Petting Zoo is a hands-on, show-and-tell introduction to entomology featuring real live insects and arthropods! While having fun and interacting with genuine crawling critters, kids learn about biology, taxonomy, adaptations and scientific thinking that real scientists use in the field. Recommended for children ages 3-12 and their caregivers. Funding for Summer Reading has been generously provided by the City of Cambridge, Cambridge Public Library Foundation, Friends of the Cambridge Public Library and the Massachusetts Board of Library Commissioners.

Join the City Arborist for a guided neighborhood tree walk from the Tobin School to Danehy Park to explore the trees along the way.

Residents and business owners and their employees are invited to stop by a Coffee Talk to meet with City staff and contractors to ask questions related to the Harvard Square Plaza Reconstruction Project.

Veterans and dependents whose income is below 200% of the Federal Poverty Level, and whose assets do not exceed $5,000 if singled or $9,800 if married, may be eligible for Chapter 115 benefits.

Camp Rainbow is an annual summer camp serving young people with disabilities, ages 6-22. Campers will enjoy a variety of experiences, including outdoor activities, swimming, field trips, arts & crafts, and cooking.

When it comes to reducing greenhouse gas emissions and combating climate change, every little bit helps – including the steps you can take to be sustainable at home. Learn how to do your part by recycling, composting, and urban farming, as well as conserving energy and taking steps to prepare for flooding.

On Saturday, December 10 and Saturday, December 17, DCR will keep Memorial Drive open to vehicular traffic from Western Avenue to Gerry's Landing.

This June, the Cambridge Warriors — our undefeated Special Olympics basketball team — are heading to Minneapolis to compete in the 2026 Special Olympics USA Games National Championship! Learn more about the team and how to support them on this journey.

In honor of Indigenous Peoples' Day and the end of Hispanic Heritage Month, the Mayor's Office is sponsoring a Cypher at City Hall event on the front steps of City Hall.

A Sidewalk Obstruction permit is required if you are blocking any portion of a City of Cambridge sidewalk whether it be through full closure, partial closure, or walkthrough-staging.