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In 2009, the City set a goal to reduce residential trash disposal by 30% by 2020, and by 80% by 2050. With that goal in mind, the City expanded curbside food waste pickup to all buildings with 1 to 12 units. 25,000 households (8,100 buildings) are now eligible to participate.

To lead by example, the City of Cambridge is engaged in many initiatives aimed at improving the sustainability of municipal operations.

See information about Cambridge Community Electricity and view updated energy mix information.

See information about Cambridge Community Electricity and view updated energy mix information.

Come learn about Cambridge's Urban Forest and get a free seedling along with coloring book and crayon giveaways.

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View Images of the 2017 Cambridge Arts River Festival

View images of the 2019 Cambridge Arts River Festival.

View Images of the 2018 Cambridge Arts River Festival.

On Tuesday, July 22, 2025, leaders from the City of Cambridge and the Commonwealth gathered with nonprofit Preservation of Affordable Housing (POAH) to mark the beginning of renovations at the former Sacred Heart church rectory and school in East Cambridge. By the end of 2027, POAH plans to complete construction on the property, which will create 46 new permanently affordable apartment homes.