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We live in an age where we carry our smartphones everywhere we go. Built into this device is a camera that can help us document the world around us. Whether it’s taking family portraits, beautiful landscapes, or in some cases the meal we just sat down to eat, we’re all constantly taking photos. This class will not only teach you to take the best possible photos, but how to edit your photos to make them look as good as they possibly can. We will also cover how to organize the photos on your phone. We will learn how to become visual storytellers through projects I'll assign each week followed by thoughtful group discussions of your photos. You need only bring two things to this class: your smartphone and your imagination.

We live in an age where we carry our smartphones everywhere we go. Built into this device is a camera that can help us document the world around us. Whether it’s taking family portraits, beautiful landscapes, or in some cases the meal we just sat down to eat, we’re all constantly taking photos. This class will not only teach you to take the best possible photos, but how to edit your photos to make them look as good as they possibly can. We will also cover how to organize the photos on your phone. We will learn how to become visual storytellers through projects I'll assign each week followed by thoughtful group discussions of your photos. You need only bring two things to this class: your smartphone and your imagination.

Join us for a beginner-friendly crochet class at O'Neill! Learn how to chain, single crochet, half double crochet, and finish a project as we create a stitch sampler. All materials provided – no experience needed! You'll leave with materials and a pattern to continue your practice after class. Registration required.

Join guide Stefanie Haug while exploring our neighborhood nature and celebrating Elderhood. As a group we'll connect with nature and the neighborhood mindfully with a gentle walk and draw on contemplative practices. What to bring: layered clothing, comfortable shoes and water. Where to meet: outside the Valente entrance.

Join guide Stefanie Haug while exploring our neighborhood nature and celebrating Elderhood. As a group we'll connect with nature and the neighborhood mindfully with a gentle walk and draw on contemplative practices. What to bring: layered clothing, comfortable shoes and water. Where to meet: Central Square Branch lobby.

Join guide Stefanie Haug while exploring our neighborhood nature and celebrating Elderhood. As a group we'll connect with nature and the neighborhood mindfully with a gentle walk and draw on contemplative practices. What to bring: layered clothing, comfortable shoes and water. Where to meet: Central Square Branch lobby.

It's a reading adventure at Donnelly Field! Walk around the field to read all of the pages in “My Mother's Sari” and “Stick”!

Celebrate Jasmine Warga's new book, The Unlikely Tale of Chase and Finnegan, about an unlikely friendship between a cheetah and a rescue dog who are paired as an animal ambassador team at a zoo — at this special event. Meet animals from The Zoo in Forest Park (Springfield, MA) and discover the amazing adaptations that help them survive in the wild. Ask questions and learn what you can do to protect wildlife. Recommended for children ages 6 and up. This event is part of a special series promoting our 2026 Curious George Lecture with Jasmine Warga, award-winning author of A Rover's Story, Other Words for Home and many other popular children's books. Funding is generously provided by the Cambridge Public Library Foundation. Save the Date: the Lecture will take place on Wednesday, April 15, 6 p.m. at the Main 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 Earthwise Aware for a thought-provoking workshop examining how land use and climate change influence the design, function, and future of urban green spaces. Starting at the library’s front lawn, we will explore how conventional designs can undermine biodiversity and tree health. What makes a space truly nature-friendly? Can a lawn, sidewalk, or plaza be transformed into habitat? We will compare low-functioning green spaces with examples of micro-forests, native plantings, and meadows. Along the way, we will observe seasonal changes in plants and wildlife through the lens of phenology, the study of nature’s calendar. We will also introduce simple participatory science tools that help monitor habitat quality, foster community engagement, and inform better decisions. Even a modest native plant patch can be a pocket of resilience. Come learn how to spot, support, and reimagine urban nature that works with the ecosystem, not just mimics it. The program will start with a workshop in the Rossi Room, then move outside to Joan Lorentz Park. Registration required.