Los Angeles County 2023 Municipal Greenhouse Gas Inventory

This report presents Los Angeles County’s 2023 greenhouse gas (GHG) emissions inventory for its municipal operations, providing a comprehensive update since the County’s 2009 baseline inventory. It details a significant 42% reduction in emissions over that period—rising to 46% when comparing operations under consistent control guidelines—highlighting the County’s sustained efforts to reduce its environmental impact through energy, water, and fuel conservation. The report outlines the sources of emissions across 11 operational sectors, explains the methodology behind the data, and examines past trends as well as projected future emissions through 2045. Readers will gain valuable insight into the County’s climate progress, challenges, and strategies—making this report a key resource for understanding how local government action contributes to broader climate goals.