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A planning and design project for a shared-use path on a former rail parcel between Danehy Park and Concord Avenue

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

Loads and Yields of Deicing Compounds and Total Phosphorus in the Cambridge Drinking-Water Source Area, Massachusetts, Water Years 2009-15

Park renovation and improvements

The Cambridge Council on Aging offers a variety of Support and Social Groups to encourage social connection and support senior health.

This quick-build project will improve safety for people biking and walking along Garden Street between Huron Avenue and Mason Street.

This quick-build project will improve safety for people biking and walking along Massachusetts Avenue between Inman Street and Trowbridge Street

Ultimate Entertainment Group (UEG) will blend vintage cars, southern-style music, and a little rock and roll in Brattle Square on June 28, from 3:00 – 9:00 p.m. This exciting collaboration with DX Arcade and the Harvard Square Business Association will bring together folks of any generation with car lovers and music lovers alike.

This project entails a major redesign and renovation, with community participation, of the 83 bus shelter. New features will include acrylic panels with cut-out figures and a roof element evocative of nearby recreation and natural habitat.

Our Vendor Registry provides an opportunity for local and State Vendors to participate in the procurement of goods and services.