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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Transportation Fuel Supplier Greenhouse Gas Emission Calculator

This tool helps transportation fuel suppliers calculate their greenhouse gas emissions.

https://ecology.wa.gov/transportationfuelsuppliertool

Washington Total Annual Emissions

bar chart shoring Washington greenhouse gases the past decade

https://ecology.wa.gov/2011-2018_ghg-barchart-alt

Air Quality Application Portal Training Guide

Instructions about how to access the Air Quality Portal within Secure Access Washington. You must access this portal for reporting. Version 1.1

https://ecology.wa.gov/aqportaluserguide

Clean Air Rule Tracking System User Training Guide

Instructions for entering information into the Clean Air Rule Tracking system

https://ecology.wa.gov/cartsuserguide

Clean Air Rule: Potentially Eligible Parties

Organizations that emit 70,000 metric tons of carbon pollution or more are regulated by the Clean Air Rule. This is a list of organizations that potentially meet this criteria.

https://ecology.wa.gov/potentialbussinessescoveredbycar

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

Rulemaking proposed language (WAC 173-446) 5-16-22

This is the proposed rule language for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-446-5-16-22

Rulemaking Proposal (WAC 173-446) 9-7-23

This is a rulemaking proposal (CR-102) for Chapter 173-446 WAC, Climate Commitment Act Program Rule.

https://ecology.wa.gov/rulemaking-proposal-wac-173-446-9-7-23

Rulemaking proposed language (WAC 173-446) 9-7-23

This is the proposed rule language for Chapter 173-446 WAC, Climate Commitment Act Program Rule.

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-446-9-7-23

Rulemaking Emergency Adoption Notice (WAC 173-446) 9-7-23

This is the second emergency rulemaking adoption notice (CR-103E) for WAC 173-446, Climate Commitment Act Program Rule.

https://ecology.wa.gov/rulemaking-emergency-adoption-notice-wac-173-446-9-7-23

Survey Reference Map

Climate resilience strategy survey map by county.

https://ecology.wa.gov/survey-reference-map

Rulemaking Proposal (WAC 173-446B) 4-23-24

This is a rulemaking proposal (CR-102) for Chapter 173-446B WAC, Climate Commitment Act Funds Reporting.

https://ecology.wa.gov/rulemaking-proposal-wac-173-446b-4-23-24

Rulemaking proposed language (WAC 173-446B) 4-23-24

This is the proposed rule language for Chapter 173-446B WAC, Climate Commitment Act Funds Reporting.

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-446b-4-23-24

Proposal Notice - CR 102 form

CR 102 for WAC 173-441, 446

https://ecology.wa.gov/rulemaking-proposal-wac-173-441;-wac-173-446-6-27-24

Proposed rule language

Proposed rule language for WAC 173-441, 446

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-441;-wac-173-446-6-27-24

Proposed rule language

Proposed rule language for WAC 173-441, 446

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-441;-wac-173-446-6-27-24-65f70fc3954d2f9fd8d9cf3e4a73c727

Washington State Climate Resilience Strategy Summary - Spanish

Climate Resilience Strategy Summary in Spanish

https://ecology.wa.gov/spanish-climate-resilience-strategy-summary

Washington State Climate Resilience Strategy Summary - Vietnamese

Climate Resilience Strategy Summary in Vietnamese

https://ecology.wa.gov/vietnamese-climate-resilience-strategy-summary

Rulemaking Proposed language (WAC 173-446) 2-12-25

Proposed rule language for WAC 173-446

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-446-2-12-25

Proposal Notice - CR 102 form

CR 102 for WAC 173-446

https://ecology.wa.gov/rulemaking-proposal-wac-173-446-2-12-25