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.

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Climate change publications and reports

Links to all Ecology climate change publications, sorted by year.

https://ecology.wa.gov/Asset-Collections/Link-Assets/Climate-change/Climate-publications

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/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/2012-2016WAGreenhouseGasReportedEmissions

2012 - 2016 Washington Greenhouse Gas Reported Emissions

The Washington Mandatory Greenhouse Gas Reporting Program - Reported Emissions for 2012 - 2016

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Tracking-carbon-pollution/2012-2016WAGreenhouseGasReportedEmissions

0181009 GHG Reporting Schedule

2018 Greenhouse Gas Fee Reporting Schedule

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/20181009GHGReportingSchedule

Washington's greenhouse gas emissions targets

A chart showing greenhouse gas emission reduction targets compared to a 1990 baseline.

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/20190729emissions-alt

HFC User Guide Short 20190901

This is the short (one-page) instructions about how to submit your completed HFC notification form using our online reporting system.

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/HFC-User-Guide-Short-20190901

HFC User Guide Long 20190901

This is the longer instructions about how to submit your completed HFC notification form using our online reporting system.

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/HFC-User-Guide-Long-20190901

2019 Greenhouse gas fee schedule

Greenhouse gas 2019 reporting fee and schedule

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/20191015-GHGReportingFeeSchedule

2001 - 2017 GHG and GDP percentage changes

graph showing population, economy, greenhouse gas emissions from 2001 - 2017

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/20191118ghggdp-alt

2019 Transportation Fuel Supplier Calculator

2019 Calculator to determine greenhouse gas emissions from transportation fuel suppliers

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Tracking-carbon-pollution/2019-Transportation-fuel-supplier-tool

January 15, 2020 list of HFC manufacturers

This is the January 15, 2020 list of manufacturers that reported the status of their use of restricted hydrofluorocarbons (HFCs).

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/2020HFCManufacturers

Greenhouse Gas Assessment for Projects (GAP) Rulemaking June 2020 Presentation

Public webinar presentation given 6-25-20

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/SEA/GAP-Rulemaking-WAC-173-445/6-25-20-Presentation

Greenhouse Gas Assessment for Projects (GAP) Rulemaking July 2020 Presentation

Public webinar presentation given 7-23-20

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/SEA/GAP-Rulemaking-WAC-173-445/7-23-20-Presentation

Greenhouse Gas Assessment for Projects (GAP) Rulemaking August 2020 Presentation

Public webinar presentation given 8-27-20

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/SEA/GAP-Rulemaking-WAC-173-445/8-27-20-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/Asset-Collections/Doc-Assets/Rulemaking/SEA/GAP-Rulemaking-WAC-173-445/6-25-20-Meeting-Summary

Greenhouse Gas Assessment for Projects (GAP) Rulemaking July 2020 Meeting Summary

Meeting summary for 7-23-20 public rulemaking webinar

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/SEA/GAP-Rulemaking-WAC-173-445/7-23-20-Meeting-Summary

Greenhouse Gas Assessment for Projects (GAP) Rulemaking August 2020 Meeting Summary

Meeting summary for 8-27-20 public rulemaking webinar

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/SEA/GAP-Rulemaking-WAC-173-445/8-27-20-Meeting-Summary

Focus on: Climate change and health equity

A joint Ecology and Health focus sheet exploring the health and community impacts of climate change.

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/201210-climate-justice-focus-sheet

2021 State Agency Greenhouse Gas Reporting Calculator

Calculator for state agencies to determine their greenhouse gas emissions

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/2021-state-agency-GHG-calculator

Chapter 173-445 WAC

This is the rulemaking page for Chapter 173-443 WAC, Greenhouse Gas Assessment for Projects.

https://ecology.wa.gov/Regulations-Permits/Laws-rules-rulemaking/Rulemaking/WAC-173-445

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