Puget Sound Regional Emissions Analysis

The Puget Sound Regional Emissions Analysis is a King County-led project launched in 2021 to comprehensively measure greenhouse gas emissions across King, Kitsap, Snohomish, and Pierce counties. The project covers multiple types of emissions inventories—including community activities, consumption of goods and services, and government operations—while also modeling pathways to reduce emissions and achieve carbon neutrality. It incorporates social equity principles to address disproportionate environmental impacts on communities of color.

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Project summary for the Puget Sound Regional Emissions Analysis, led by the King County Climate Data Co-operative, launched summer 2021 and completing in 2022. Covers geographic-plus GHG inventory for King, Kitsap, Snohomish, and Pierce counties (2019 baseline, 2020 for King County); communitywide consumption-based inventory for 2007-2019; government operations consumption inventory (2019 update for King County); and consumption inventory wedge analysis. Partners include Puget Sound Clean Air Agency, Puget Sound Regional Council, King County-Cities Climate Collaboration (K4C), City of Seattle, Seattle Public Utilities, Snohomish County, Kitsap County, Pierce County. Consultant team led by Cascadia Consulting Group. Addresses circular economy, social equity, just transition, neighborhood-scale emissions, and carbon neutrality pathways.

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