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.

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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

Comments received from legislators (WAC 173-442; WAC 173-441) 7/22/16

These are comments from legislators.

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/AQ/WAC173-442_441-(1)/Comments-recieved-from-legislators-(WAC-173-422;-W

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