Puget Sound Clean Air Agency Greenhouse Gas Emissions Inventory

This 2018 report by Cascadia Consulting Group inventories greenhouse gas emissions across the Puget Sound region, covering sources such as transportation, buildings, industry, solid waste, water, and agriculture for the year 2015. It outlines the methodology, data sources, and findings used to measure the region's carbon footprint. While focused on regional air quality and climate impact, it provides context for understanding emissions contributors in the greater Seattle–Tacoma area.

Notes

Greenhouse gas (GHG) emissions inventory prepared by Cascadia Consulting Group for the Puget Sound Clean Air Agency (PSCAA), revised June 2018, covering 2015 baseline emissions across King, Kitsap, Pierce, and Snohomish counties. Quantifies emissions by sector: residential and commercial built environment, transportation (road, air, rail, marine), industry, solid waste, water and wastewater, and agriculture and land use change. Includes methodology, data sources, and emissions factors for CO2, CH4, and N2O across natural gas, electricity, and fuel combustion sources.

V V