The City of Phoenix recently completed the 2018 GHG Emission Inventory which is the fourth update to the government operations GHG emissions inventory. This shows Phoenix-wide government operations GHG emissions were 1.7% below 2015 and 15.4% below 2005 levels.
Numerous projects and activities undertaken by the City since 2005 have affected the GHG emissions from government operations over the last thirteen years. Projects and activities and how they have affected the 2018 City government operations GHG emissions are:
Between 2005 and 2018, the City’s population increased by 20.5% from 1,377,980 to 1,660,272 residents. Some government operation GHG emissions are population dependent – e.g., aspects of solid waste disposal, wastewater treatment and discharge, and vehicle fleet emissions. Even with the population growth GHG emissions reductions have been achieved.
The 2018 Community-Scale GHG Emission Inventory, which is the third update, shows Phoenix-wide GHG emissions to be 16,603,754 metric tons of carbon dioxide equivalents (MT CO2e), a 0.5% reduction in the overall GHG emissions compared to the 2012 levels of 16,692,626 MT CO2e.
Emissions increased in the Transportation Sector by 12% which was proportional to population growth. Stationary Energy GHG emissions decreased 9%, driven by a less GHG-intensive regional electricity grid. Waste Sector GHG emission decreased by 17% between 2012 and 2018, but are small compared to the Stationary Energy and Transportation sectors. While Solid Waste GHG emissions will occur from the ongoing disposal of solid waste, closed landfills within the City produce less GHG emissions as the waste decays.
Distribution of GHG Emissions by Sector
The Transportation Sector is the second-largest source of GHG emissions in Phoenix and increased 12% between 2012 and 2018. On-road transportation, mainly gasoline consumption, drove the Transportation Sector GHG emissions increase. Measures to reduce transportation-related GHG emissions will reduce community-scale GHG emissions. Gasoline-powered motor vehicles used for on-road transportation is the largest single source of transportation-related GHG emissions. Increased adoption of battery electric vehicles or plugin electric hybrid vehicles is one avenue to reduce transportation-related GHG emissions. Another is higher adoption rate of mass transit options.
2018 GHG Emissions Inventory for Government Operations
2018 GHG Emissions Inventory for Government Operations - Summary Report
2018 Community-Scale GHG Emissions Report
2018 Community-Scale GHG Emissions Report- Executive Summary
2016 Community-Scale GHG Emissions Report - Executive Summary
2015 GHG Emissions Inventory for Government
2015 GHG Emissions Inventory Government Operations - Summary Report
2012 Community-Scale GHG Emissions Report
2012 Community-Scale GHG Emissions Report - Executive Summary
2012 GHG Emissions Inventory for Government Operations
2012 GHG Emissions Inventory for Government Operations - Summary Report
2005 GHG Inventory for Government Operations
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