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Extended reality (XR) opens the door to worlds and experiences outside the everyday through virtual reality, augmented reality, and mixed reality equipment. Test drive our Microsoft HoloLens augmented reality glasses, Structure Sensor 3D scanner, Merge headsets, and more. Registration is required. You must complete Hive Safety Training before registering for this workshop.

Extended reality (XR) opens the door to worlds and experiences outside the everyday through virtual reality, augmented reality, and mixed reality equipment. Test drive our Microsoft HoloLens augmented reality glasses, Structure Sensor 3D scanner, Merge headsets, and more. Registration is required. You must complete Hive Safety Training before registering for this workshop.

In this 90-minute workshop, you’ll learn the basics of sewing machine operation and safety. This session will cover machine setup, basic functions, threading the machine, reloading the bobbin, sewing straight stitches, and recognizing when stitch tension has gone awry. We’ll also cover some safety best practices when operating a sewing machine. As we learn together, we’ll work on a simple sewing project—a drawstring bag—which most students will be able to complete by the end of the class. You must complete Hive Safety Training before registering for this workshop.

Extreme heat is becoming more frequent and more intense — and it poses real risks to public health, infrastructure, and our most vulnerable neighbors. Join City staff and regional experts on April 7 from 6–7:30 p.m. for a conversation about how climate change is reshaping New England summers, who is most at risk, and how cities like Cambridge and Boston are responding. Whether you’re concerned about your own health, the health of neighbors and relatives, or the future of our city, this discussion will offer practical information and next steps. This event is cosponsored by the Office of Sustainability and the Cambridge Public Library.

Join Earthwise Aware (EwA) for an interactive walk to observe, document, and take part in shaping urban spaces that work with nature. Together, we will explore how design choices and climate pressures shape the ecological value of our everyday green spaces, and document habitat conditions using simple citizen science tools. Starting at the library lawn, we will examine spaces that appear green but often function poorly. Manicured lawns and sparse tree plantings may look inviting, yet they frequently support little biodiversity and can limit soil health and resilience. What makes a space truly nature-friendly? We will record what is present, what is missing, and what that tells us about ecological function. During the walk, we will: Observe and document plant communities and habitat quality Identify signs of low and high ecological function Compare conventional landscapes with more resilient plantings such as native beds or meadow patches Contribute real data that supports local ecological understanding and decision making This is participatory science in practice. Your observations will feed into broader efforts to track urban biodiversity and inform better land use choices. The program will meet outside the library in Joan Lorentz Park. Registration required. Rain date: Wednesday May 6

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 Dogtown by Katherine Applegate and Gennifer Choldenko. In Dogtown, a shelter for unwanted canine and robot dogs, an extraordinary bond develops between Chance, a longing three-legged dog, Metalhead, an empathetic robot, and Mouse, their friendly ally, as they strive to find forever homes. Copies of this month's book are available at the Children's Desk. Copies of this month's book are available at the Children's Desk. 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

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 Garlic and the Vampire, by Bree Paulsen. Garlic is perfectly happy living in her little vegetable community with her best friend Carrot and the Witch Agnes to take care of them. But when a vampire moves into the big spooky castle on the hill, everyone agrees Garlic is the only one who can go confront him! Copies of this month's book are available at the Children's Desk. 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

Funded equally by the City of Cambridge and CCF, the effort aims to shore up local food pantries preparing to meet increased demand in the coming weeks and provide greater food access to the City’s most vulnerable populations – particularly low-income eligible families with children and older adults.

Stop by the Boudreau Branch in the afternoon and use two button makers to create your very own buttons. Draw a beautiful picture or print out an image from the computer (once per attendee) to use. This drop-in event is intended for school aged children and their families.

Join the Cambridge Public Library for a screening of The Next Dream, an independent documentary about more than one million Temporary Protected Status (TPS) families across the U.S., who are at risk of deportation and family separation. The screening will be followed by a panel discussion and Q&A with members of the National TPS Alliance and the film's producers. Come and meet members of the TPS families, learn about their struggles, and discuss how we may support our neighbors across the country. To learn more about this project, please click here. Registration is encouraged, but not required.