cambridgema-gov/cambridge-municipal-greenhouse-gas-inventory-2008-m5zs-2fuf
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Cambridge Municipal Greenhouse Gas Inventory 2008 - 2012

Scope 1 and 2 emissions from City of Cambridge activities for the years 2008 through 2012. For more information, visit: http://www.cambridgema.gov/CDD/climateandenergy/municipalsustainability/municipalghginventory

Columns

NameSocrata field nameColumn name in sgr mountData typeDescription
SectorsourcesourceTextThe process that generated greenhouse gas emissions.
CO2 (metric tons)co2_metric_tonsco2_metric_tonsNumberMetric tons of carbon dioxide (CO2). One metric ton is equivalent to 1,000 kg. Calculated values based on kg of CO2, converted to metric tons using a standard conversion factor
ScopescopescopeTextScope 1, or direct emissions are GHG emissions from fuels combusted within the city boundary. Scope 2, or indirect emissions, are GHG emissions occurring outside the City boundary, but as a consequence of the purchase and use of grid-supplied electricity, heat, steam and/or cooling within the city boundary
Total CO2e (metric tons)total_co2e_metric_tonstotal_co2e_metric_tonsNumberMetric tons of carbon dioxide equivalent (CO2e). Calculated value based on energy use data tracked by the City in MassEnergyInsight, and emission factors and Global Warming Potential (GWP) factors approved by the The Climate Registry. The GWP was developed to allow comparisons of the global warming impacts of different gases. Specifically, it is a measure of how much energy the emissions of one ton of a gas will absorb over a given period of time, relative to the emissions of one ton of carbon dioxide.
FueltypetypeTextThe fuel that generated greenhouse gas emissions.
Use (therms)use_thermsuse_thermsNumberA unit of heat equivalent to 100,000 British Thermal Units (Btu) or 1.055 × 108 joules. Energy use data in native units based on monthly natural gas bills.
N2O (metric tons)n2o_metric_tonsn2o_metric_tonsNumberMetric tons of nitrous oxide (N20) emissions. One metric ton is equivalent to 1,000 kg. Calculated values based on kg of N2O, converted to metric tons using a standard conversion factor
N2O (kg)n2o_kgn2o_kgNumberKilograms of nitrous oxide (N20) emissions. Calculate value based on energy use data and fuel specific N20 emissions factors.
CO2e from CH4 (metric tons)co2e_from_ch4_metric_tonsco2e_from_ch4_metric_tonsNumberCalculated value based on CH4 emissions in metric tons and global warming potential (GWP) factor for CH4. The Global Warming Potential (GWP) was developed to allow comparisons of the global warming impacts of different gases. Specifically, it is a measure of how much energy the emissions of one ton of a gas will absorb over a given period of time, relative to the emissions of one ton of carbon dioxide.
YearyearyearNumberThe year during which emissions took place.
CH4 (metric tons)ch4_metric_tonsch4_metric_tonsNumberMetric tons of methane (CH4) emissions. One metric ton is equivalent to 1,000 kg. Calculated values based on kg of CH4, converted to metric tons using a standard conversion factor
CO2e from N2O (metric tons)co2e_from_n2o_metric_tonsco2e_from_n2o_metric_tonsNumberCalculated value based on NO2 emissions in metric tons and Global Warming Potential (GWP) factor for NO2 . GWP was developed to allow comparisons of the global warming impacts of different gases. Specifically, it is a measure of how much energy the emissions of one ton of a gas will absorb over a given period of time, relative to the emissions of one ton of carbon dioxide.
CH4 (kg)ch4_kgch4_kgNumberKilograms of methane (CH4) emissions. Calculated value based on energy use data and fuel specific CH4 emissions factors
Use (kwh)use_kwhuse_kwhNumberKilowatt hours. Energy use data in native units based on monthly electricity bills
UniqueIDuniqueiduniqueidTextRow ID provided for ease of analysis. A concatenation of scope, year, fuel, and source.
CO2 (kg)co2_kgco2_kgNumberKilograms of carbon dioxide (CO2). Calculated value based on energy use data and fuel specific CO2 emissions factors.
Use (gallons)use_gallonsuse_gallonsNumberEnergy use data in native units based on periodic fuel delivery bills
Use (MMBtu)use_mmbtuuse_mmbtuNumberOne MMBtu is equivalent to one million Btu. Calculated value based on energy use in native units, converted to MMBtu using standard conversion factors.
 
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