Research & Data
Use this portal to filter and search for all of our scientific information.
Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.
2011 comprehensive emissions inventory three-year summary
This is a spreadsheet of the 2011 comprehensive three-year emissions inventory.
https://ecology.wa.gov/2011-comprehensive-emissions-inventory-summary
2011 County Emissions Inventory Technical Documentation
This document describes the methods and data sources used to estimate emissions for base year 2011.
https://ecology.wa.gov/201410countyemissionsinventory2011
2011 point source emissions annual summary
This is a spreadsheet of the annual summary of 2011 point source emissions.
https://ecology.wa.gov/2011-point-source-emissions-summary
Washington Emissions Inventory Reporting System (WEIRS) Emissions Inventory Codes
Emissions Inventory Codes for Washington Emissions Inventory Reporting System (WEIRS), 12/20/19
https://ecology.wa.gov/20191220emissionsinventorycodes
Washington Emissions Inventory Reporting System (WEIRS) Add New Emissions form
form to add new emissions in Washington Emissions Inventory Reporting System (WEIRS)
https://ecology.wa.gov/addnewemissions
Washington Emissions Inventory Reporting System (WEIRS) Add New Process form
form to add new process in Washington Emissions Inventory Reporting System (WEIRS)
https://ecology.wa.gov/addnewprocess
2012 - 2016 Washington Greenhouse Gas Reported Emissions
The Washington Mandatory Greenhouse Gas Reporting Program - Reported Emissions for 2012 - 2016
https://ecology.wa.gov/2012-2016wagreenhousegasreportedemissions
Washington Emissions Inventory Reporting System (WEIRS) Add New Release Point form
Form to add new release point in Washington Emissions Inventory Reporting System (WEIRS)
https://ecology.wa.gov/addnewreleasepoint
Washington Emissions Inventory Reporting System (WEIRS) Add New Unit form
Form to add new unit in Washington Emissions Inventory Reporting System (WEIRS)
https://ecology.wa.gov/addnewunit
Tracking Washington Greenhouse Gases
Chart showing past emissions and future greenhouse gas limits set by the Legislature.
https://ecology.wa.gov/20201221-ghg-actual-projections_alt
Areas affected by nitrogen oxides emissions in Washington
Map of nitrogen oxides emissions from diesel Volkswagen (VW) vehicles in Washington
https://ecology.wa.gov/2017vwdieselnox
Volkswagen (VW) Nitrogen Oxides Emissions in Washington-alt
The text version of the map where the nitrogen oxides emissions can be found in Washington.
https://ecology.wa.gov/2017vwnitrogenoxideemissions-alt
Washington Total Annual Emissions
bar chart shoring Washington greenhouse gases the past decade
https://ecology.wa.gov/2011-2018_ghg-barchart-alt
2012-2016 Washington's Mandatory Greenhouse Gas Reported Emissions
This report shows greenhouse gas emissions reported to us under the state mandatory reporting program.
https://ecology.wa.gov/2012-2016wagreenhousegasreportedemissions-f2a2b89e80ce6dd5c1530dae57fbe534
State Agency Greenhouse Gas Emissions Calculator
Excel sheet used to determine state agencies annual greenhouse gas emissions
https://ecology.wa.gov/2024stateagencyghgemissionscalculator-ghgreportingtool
Email List: Landfill methane emissions reduction
Sign up for email updates about this emission reduction work.
https://ecology.wa.gov/email-list-landfill-methane-emissions-reduction
Email list: Zero emissions vehicles
Sign up for email updates about Zero Emissions Vehicles (Zevs).
https://ecology.wa.gov/email-list-zero-emissions-vehicles
Air quality studies
Information about air quality studies we conduct.
https://ecology.wa.gov/research-data/scientific-reports/air-quality-studies
Focus on: Washington’s climate policies and fuel prices
On Jan. 1, 2023, two new Washington laws designed to reduce greenhouse gas emissions took effect: the Clean Fuel Standard (CFS) and the Climate Commitment Act (CCA).
https://ecology.wa.gov/focus-on-washington-s-climate-policies-and-fuel-pr
109 results
1 - 20 of 109