GHG Emission Inventory Graphs

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The California greenhouse gas (GHG) Inventory compiles statewide anthropogenic GHG emissions. The graphs below provide a summary of emissions data for 2023 or for the time series of 2000-2023. All GHG inventory data is available on the current inventory page.

2023 GHG Emissions by Main Economic Sector

A pie chart showing 2023 GHG Emissions by Economic Sector. The chart shows the relative size of 2023 emissions by sector using the Economic Sector/Activity Categorization scheme. Transportation is the largest sector, followed by industrial, electricity generation, agriculture, residential, and commercial. Electricity generation is divided between in-state and imports, with most emissions coming from in-state. For more information on data displayed, contact ghginventory@arb.ca.gov.

2023 GHG Emissions by Scoping Plan Category

A pie chart showing 2023 GHG Emissions by Scoping Plan sector. The chart shows the relative size of 2023 emissions, organized by the categories in the AB 32 Scoping Plan. Transportation is the largest sector, followed by industrial, electric power, commercial and residential (combined), agriculture, high GWP, and recycling and waste (combined). For more information on data displayed, contact ghginventory@arb.ca.gov.

2023 GHG Emission by Scoping Plan Sub-Category

A multi-level pie chart showing 2023 GHG emissions by Scoping Plan sector and sub-sector. The inner ring shows the Scoping Plan sectors, while the outer shows the sub-sectors. In descending order, from largest to smallest source of emissions, the sectors are: Transportation, Industrial, Electricity, Commercial and Residential (combined), Agriculture, High GWP, and finally Waste.

Change in California Gross State Product and GHG Emissions Since 2000

A line graph showing the percentage change in California’s GSP, GHG Emissions, and GHG Emissions per unit GSP in 2001 to 2023 relative to 2000. California’s GSP has increased almost every year since 2000. Since 2007, GHG Emissions and GHG Emissions per unit GSP have steadily decreased. For more information on data displayed, contact ghginventory@arb.ca.gov.

2000–2023 GHG Emissions by Category as Defined in the Scoping Plan

A line graph showing emissions trends by Scoping Plan sector from 2000 to 2023. Sectors are represented by the following lines: Transportation, Electric Power, Industrial, Commercial and Residential (combined), Agriculture, High GWP, and Recycling and Waste (combined). The transportation sector is the largest source of GHG emissions in the state in all years. The industrial sector is the next largest sector in 2023, followed by electric power, Commercial and Residential, Agriculture, High GWP, and finally R