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https://www.cambridgema.gov/GIS/gisdatadictionary/Environmental/ENVIRONMENTAL_StreetTrees

Description
Trees and tree planting sites owned, planted or maintained by the City of Cambridge, the Massachusetts Department of Conservation and Recreation, and MIT, Harvard University and other private organizations. This layer is maintained by Cambridge Public Works. City owned and maintained trees. This layer is maintained by Cambridge Public Works and updated regularly by the City Arborist.

About Edit Dates
This data is automatically updated on a set schedule. The Socrata edit date may not reflect the actual edit dates in the data. For more details please see the update date on the full metadata page or view the edit date within the data rows.

Extract of Cambridge Assessing Department on-line property database file for FY18. Contains residential, condo, commercial and exempt data. Please see attached Cambridge Property Data Metadata for field description.

Blockgroup data from the 2017-2021 American Community Survey was recompiled by the Cambridge Community Development Department to align with approximate neighborhood boundaries. Categories include: Total Population, Population Density, Land Area, Male/Female, Race and Hispanic Origin, Age Distribution, Number of Households, Population in Households, Persons per Household, Number of Families, Household Types, and Population in Group Quarters.

This dataset contains an inventory of Cambridge's estimated community-wide greenhouse gas emissions for the year 2012. The data was created by DNV-GL, MAPC and the Environmental & Transportation division of the Community Development Department. It was created to establish a baseline for total emissions community wide per the City’s commitment to the Global Covenant of Mayors. It provides a baseline for the City to set reduction goals and track progress towards those goals over time.

Blockgroup data from the 2017-2021 American Community Survey was recompiled by the Cambridge Community Development Department to align with approximate neighborhood boundaries. Categories include: Land Area, Housing Units, Housing Density, Total Occupied Units, Vacant Units, and Tenure.

List of permits regarding mechanical work for commercial and residential buildings. Includes work involving heating/cooling systems, electrical systems, and home renovations.

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https://www.cambridgema.gov/GIS/gisdatadictionary/Recreation/RECREATION_OpenSpace

Description
This polygon layer contains open space areas within the City of Cambridge. These areas include publicly accessible land that is intended for active or passive recreational use, along with other undeveloped land of natural, scenic, or cultural value. Created for planning purposes, mapping, analysis, and public information.

About Edit Dates
This data is automatically updated on a set schedule. The Socrata edit date may not reflect the actual edit dates in the data. For more details please see the update date on the full metadata page or view the edit date within the data rows.

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https://www.cambridgema.gov/GIS/gisdatadictionary/Infra/INFRA_Hydrants

Description
Fire Hydrants are maintained by the Engineering group at the Cambridge Water Department, Hydrants are also monitored by Cambridge Fire Department. Used for public safety, mapping, and water distribution.

About Edit Dates
This data is automatically updated on a set schedule. The Socrata edit date may not reflect the actual edit dates in the data. For more details please see the update date on the full metadata page or view the edit date within the data rows.

Blockgroup data from the 2017 - 2021 American Community Survey was recompiled by the Cambridge Community Development Department to align with approximate neighborhood boundaries. Categories include: Total Population, Language Spoken at Home by Population 5 and Older, Educational Attainment by Population 25 and Older, Means of Commute for Resident Workers, Vehicles Owned by Household, Per Capita Income, and Poverty Rates.

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https://www.cambridgema.gov/GIS/gisdatadictionary/DPW/DPW_SnowEmergencyTowRoutes

Description
The information on this map is for general informational purposes only and the actually SNOW emergency signs posted on street are the legal Traffic Regulations and for updated information please contact the Traffic, Parking and Transportation. City Snow Emergency Tow Routes. This layer is maintained by Cambridge Public Works.

About Edit Dates
This data is automatically updated on a set schedule. The Socrata edit date may not reflect the actual edit dates in the data. For more details please see the update date on the full metadata page or view the edit date within the data rows.