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Sign-up and joined an adult-focused Mental Health First Aid Training. Mental Health First Aid gives you the skills to recognize when someone is facing mental health or substance use challenges and the confidence to be their first source of support.

Combined Sewer Overflow Control Measures to Improve Water Quality of Alewife Brook and Charles River

Join Earthwise Aware for a fascinating walk as we explore how land use and climate change shape the future of urban green spaces. The loss of biodiversity and the impacts of climate change are pressing challenges, but small actions can lead to big change. Discover how you can make a difference by helping to protect urban ecosystems. Learn to observe and document the incredible interactions between plants, animals, and their habitats while contributing to EwA’s community-driven ecology science projects. Together, we can create a brighter future for urban nature! Meet in Joan Lorentz Park. Registration required.

Sign-up and joined a youth-focused Mental Health First Aid Training. Mental Health First Aid gives you the skills to recognize when someone is facing mental health or substance use challenges and the confidence to be their first source of support.

Join the Department of Public Works Urban Forestry Division outside the Main Library from 10 a.m.-5 p.m. Members of the community are invited to come learn about Cambridge’s Urban Forest.

The Boosting Business Blocks Grant offers Cambridge businesses, business associations, and groups of neighborhood businesses the opportunity to secure one-time grant funding for well-designed projects that bring together neighborhood business interests around shared goals of improved design, promotion, and business resilience in a commercial area.

Business networking to celebrate National Small Business Month and Asian American / Pacific Islander Heritage Month.

CloudHouse is a temporary pavilion that provides shade and seating in an active recreational area to reduce the impacts of extreme heat. The pavilion provides flexible seating and an open form that invites people to socialize, rest, and enjoy a favorite neighborhood park!

The main goal of the Willard Street Drainage Improvement Project is to address stormwater flooding of the street and abutting properties. The project also provides an opportunity to upgrade other obsolete utilities and provide surface improvements including accessible sidewalks and traffic calming.

Join the Cambridge Public Library in celebrating Asian American and Pacific Islander (AAPI) Heritage Month by welcoming Yiyun Li, the author of the memoir Things in Nature Merely Grow, the winner of the 2026 Pulitzer Prize for Biography or Memoir, as well as several award-winning novels, including The Book of Goose. In addition to the Pulitzer Prize, Things in Nature Merely Grow was a finalist for both the National Book Award for Nonfiction and the PEN/Jean Stein Book Award as well as the recipient of the presitigious Andrew Carnegie Medal for Excellence in Nonfiction. After a reading from her work, Yiyun will appear in conversation with Grace Talusan, author of The Body Papers, winner of the Massachusetts Book Award for Nonfiction and the Restless Books Award for New Immigrant Writing. This hybrid event is cosponsored by the Cambridge Public Library Foundation. Registration is required.