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Join us for a lively discussion of a great book in person at the Main Library! Snacks will be provided. For ages 7-10 and a parent or caregiver. This month's book is Little Monarchs by Jonathan Case, a graphic novel which imagines a future world where all life on earth has become allergic to the sun. Human survivors have moved underground, and it's up to 10-year-old Elvie to distribute a cure made from Monarch wing scales to save the world! (Content: dystopian themes, some action and violence, natural disasters) Both caregiver and child should read the book before the discussion to participate. Registration is required — only one registration is needed per family. For questions about parent/child book group, please email Rachel: rbeaton@cambridgema.gov

Please be advised that it is unlawful to manufacture and/or sell food or beverages containing hemp derived CBD and/or THC. This applies to alcoholic and non-alcoholic beverages. These products must be taken off the shelf immediately. Any licensee found in violation of importing, manufacturing, transporting, selling, and/or possessing on its licensed premises food and/or beverages containing hemp derived CBD and/or THC faces potential suspension or revocation of its license. Wholesalers must retrieve all food and beverages containing hemp derived CBD and/or THC sold and/or delivered by them to retail licensed premises at or before their next delivery to each establishment. This Advisory does not apply to marijuana products manufactured under the jurisdiction of the Cannabis Control Commission.

This page provides a listing of available city resources for businesses of all kinds from small retail stores to growing entrepreneurial ventures.

The City of Cambridge, Harvard University and Massachusetts Institute of Technology signed a historic “Community Compact for a Sustainable Future” aimed at leveraging the intellectual and entrepreneurial capacity of the business, non-profit, education, and municipal sectors in Cambridge to contribute to a healthy, livable and sustainable future.

24-hour WiFi access added to public outdoor spaces near libraries and City-owned buildings.

Did you know that Fire Companies respond to about 200 elevator rescue calls per year?

Learn about the top 25 employers in Cambridge and find links to career web sites.

The Community Development Department joins the Cambridge-Somerville Black Business Network (CSBBN)to celebrate of their 5 year anniversary and Black businesses in Cambridge.

Why does the Massachusetts State flag matter? Learn about the history and significance of the Massachusetts state seal, flag, and motto from Sage Carbone and David Shane Lowry. Think more deeply about your community's symbols and better understand why our state flag must be changed. This discussion is inspired by the Massachusetts Seal, Flag, and Motto Advisory Commission’s open call to artists, historians, educators, students, and members of the public to participate in the effort to redesign the state’s seal, flag, and motto. Established by the Legislature in 2024, the Commission is tasked with developing and recommending new symbols to represent the state through a statewide public process. Learn more about the Massachusetts Seal, Flag, and Motto Advisory Commission’s open call to artists.

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!