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Cambridge Community Wide Greenhouse Gas Inventory 2012

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.


NameSocrata field nameColumn name in sgr mountData typeDescription
Carbon Dioxide Emissions (MT CO2)carbon_dioxidecarbon_dioxideNumberEmissions of the greenhouse gas carbon dioxide (CO2). Units are megatonnes, or one million metric tons.
Methane Emissions (MT CH4)methane_emissionsmethane_emissionsNumberEmissions of the greenhouse gas methane (CH4). Units are megatonnes, or one million metric tons.
Carbon Dioxide Equivalent Emissions (MT CO2e)carbon_dioxide_eqcarbon_dioxide_eqNumberEach greenhouse gas contributes differently to global warming. In order to to compare different sources and sectors, greenhouse gas accounting protocols tend to convert greenhouse gases into carbon dioxide equivalent emissions. For example, the most recent Intergovernmental Panel on Climate Change found one metric ton of methane creates 28 times more atmospheric warming than an equal amount of carbon dioxide over a 100 year period. This is known as methane's "global warming potential" (GWP). To convert from methane to CO2e, we multiple a given mass of methane by its GWP of 28. Nitrous oxide has a GWP of 265.
SectorsectorsectorTextThe broad economic activities that lead to greenhouse gas emissions.
ScopescopescopeNumberGreenhouse gas accounting protocols tend to assign a "scope" of 1, 2, or 3 to greenhouse gas emissions. The scope indicates whether the emissions derive from a source that is directly or indirectly controlled by Cambridge. Scope 1: All direct GHG emissions. Scope 2: Indirect GHG emissions from consumption of purchased electricity, heat or steam. Scope 3: Other indirect emissions, such as the extraction and production of purchased materials and fuels, transport-related activities in vehicles not owned or controlled by the reporting entity, electricity-related activities (e.g. T&D losses) not covered in Scope 2, outsourced activities, waste disposal, etc.
SubsectorsubsectorsubsectorTextNarrower, more specific economic activities that lead to greenhouse gas emissions.
SourcesourcesourceTextThe fuel or industrial process that leads to greenhouse gas emissions.
Nitrous Oxide Emissions (MT N2O)nitrous_oxidenitrous_oxideNumberEmissions of the greenhouse gas nitrous oxide (N2O). Units are megatonnes, or one million metric tons.
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