Regulations & Permits
Use this portal to filter and search for all of our regulatory information.
We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.
DES leased vehicle fuel use by agency
Reporting tool for DES leased vehicle fuel use by agencies
https://ecology.wa.gov/2021-des-leasedvehiclefueluseagency
DES Permanent Assigned Vehicle and Daily Trip Vehicle Fuel Use
DES calculator for reporting permanent vehicle and daily trip fuel use.
https://ecology.wa.gov/2021-despermvehicle-dailyvehiclefueluse
Washington Climate Commitment Act: Summary of economic and market modeling and analysis of the proposed cap and invest program
This is the foreword to the draft report of the summary of market modeling and analysis of the proposed cap and invest program of the Climate Commitment Act.
https://ecology.wa.gov/202207ccaeconforewd
2021 State Agency GHG Strategy Template
Strategy template for state agency greenhouse gas reporting
https://ecology.wa.gov/2021-sa-ghgstrategytemplate
2021 State Agency GHG Calculator
Calculator for state agencies to determine their greenhouse gas emissions
https://ecology.wa.gov/2021-stateagencyghgcalculator
2019 Transportation Fuel Supplier Calculator
2019 Calculator to determine greenhouse gas emissions from transportation fuel suppliers
https://ecology.wa.gov/2019-transportation-fuel-supplier-tool
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
Greenhouse Gas Assessment for Projects (GAP) Rulemaking June 2020 Presentation
Public webinar presentation given 6-25-20
https://ecology.wa.gov/6-25-20-presentation
Greenhouse Gas Assessment for Projects (GAP) Rulemaking June 2020 Meeting Summary
Meeting summary for 6-25-20 public rulemaking webinar
https://ecology.wa.gov/6-25-20-meeting-summary
Greenhouse Gas Assessment for Projects (GAP) Rulemaking July 2020 Presentation
Public webinar presentation given 7-23-20
https://ecology.wa.gov/7-23-20-presentation
Greenhouse Gas Assessment for Projects (GAP) Rulemaking July 2020 Meeting Summary
Meeting summary for 7-23-20 public rulemaking webinar
https://ecology.wa.gov/7-23-20-meeting-summary
Greenhouse Gas Assessment for Projects (GAP) Rulemaking August 2020 Presentation
Public webinar presentation given 8-27-20
https://ecology.wa.gov/8-27-20-presentation
Greenhouse Gas Assessment for Projects (GAP) Rulemaking August 2020 Meeting Summary
Meeting summary for 8-27-20 public rulemaking webinar
https://ecology.wa.gov/8-27-20-meeting-summary
Rulemaking Continuance (WAC 173-446) 6-3-22
This is a rulemaking continuance (CR-102) for Chapter 173-446 WAC, Climate Commitment Act Program.
https://ecology.wa.gov/rulemaking-continuance-wac-173-446-6-3-22
Rulemaking Proposal (WAC 173-446) 5-16-22
This is a rulemaking proposal (CR-102) for Chapter 173-446 WAC, Climate Commitment Act Program.
https://ecology.wa.gov/rulemaking-proposal-wac-173-446-5-16-22
Publication index: Climate change publications and reports
List of links to all Ecology climate change publications, sorted by year.
https://ecology.wa.gov/climate-publications
2021 State Agency Greenhouse Gas Reporting Calculator
Calculator for state agencies to determine their greenhouse gas emissions
https://ecology.wa.gov/2021-state-agency-ghg-calculator
2001 - 2017 GHG and GDP percentage changes
graph showing population, economy, greenhouse gas emissions from 2001 - 2017
https://ecology.wa.gov/20191118ghggdp-alt
HFC User Guide, long version
This is the longer instructions about how to submit your completed HFC notification form using our online reporting system.
https://ecology.wa.gov/hfc-user-guide-long-20190901
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