Research & Data

Ecology provides the high-quality science that is microscope icon 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.

See more about this collection...

Find by Search

RCW Chapter 70.235

Limiting greenhouse gas emissions

https://ecology.wa.gov/Asset-Collections/Link-Assets/Air-quality/RCW-Chapter-70-235

RCW Chapter 80.80

Greenhouse gases emissions - baseload electric generation performance standard

https://ecology.wa.gov/Asset-Collections/Link-Assets/Air-quality/RCW-Chapter-80-80

WAC Chapter 173-442

Clean Air Rule

https://ecology.wa.gov/Asset-Collections/Link-Assets/Air-quality/WAC-Chapter-173-442

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

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

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

Were you able to find what you were looking for today?*:	Yes No Not sure
What were you trying to find?*:
Please describe your experience. What was challenging? What was helpful? *:	Please include details that will help us address any issues you're reporting.
Was the search tool helpful to you? *:	Yes No I didn't use Search.
How can we improve our website?:	Optional. If you have suggestions, we'd like to hear them!
Your name:	Please include contact information if you'd like a reply.
Email:	If you’d like a reply, please provide an email address.
Phone number:	( ) - Second three digits Last four digits If you’d like us to call you, please provide a phone number.
Which best describes your role in visiting our site today?*:	Business / Consultant / Contractor Government - Local Government - State Government - Federal Government - Tribal Scientist / Researcher Non-profit Citizen / Resident / Public Educator Student Job seeker Ecology employee
PleaseLeaveBlank:	Are you a robot? If not, please do not enter anything in this field.
	ignore
	ignore