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Our department's mission is to enhance the quality of life in Boston by protecting our air, water, and land resources and addressing climate change. 

We are carrying out Mayor Walsh’s vision for environmental protection. We maintain Boston's wealth of historic sites, buildings, landscapes, and waterways.

Our team also takes action on climate change. Boston is committed to reducing the carbon pollution that contributes to climate change and preparing for its impacts. We want to build a more sustainable, resilient, and healthier city now and for future generations of Bostonians.


1 City Hall Square
Room 709
Boston, MA 02201-2031
Temporary COVID-19 hours
City Hall is only open to the public on Tuesdays, Thursdays, and Fridays, from 9 a.m. - 5 p.m.

2019 Climate Action Plan

We've detailed 18 strategies to increase carbon reduction from buildings and transportation over the next five years.

Read the plan

News and announcements

Image for Two easy ways to get involved with climate-ready planning

Two easy ways to get involved with climate-ready planning

Trees in the City of Boston

Firms selected to develop Boston's first Urban Forest Plan

Parks and Recreation
Image for Zero waste tips during COVID-19

Zero waste tips during COVID-19


Now open: Langone Park and Puopolo Playground in the North End

Parks and Recreation
More Environment news