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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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/201210-climate-justice-focus-sheet

Publication: Hydrofluorocarbons Adopted Rule Language – Informational Guidebook

This guidebook is supplemental and is intended to provide general information to stakeholders about the Chapter 173-443 WAC Hydrofluorocarbons (HFCs) and Other Fluorinated Greenhouse Gases rule language and how it may affect them.

https://ecology.wa.gov/publication-hydrofluorocarbons-adopted-rule-language-informational-guidebook

CCA Funds Reporting Rulemaking Public Hearing I

Presentation deck for the June 5th and 13th CCA funds reporting rulemaking public hearings

https://ecology.wa.gov/presentation-wac-173-446b-6-5-24

Listening Session: Liquid Fuels and Mass Balance Accounting

.pdf presentation for June 12, 2024 listening session on liquid fuels and mass balance accounting

https://ecology.wa.gov/presentation-wac-173-424-6-12-24

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

Draft proposed rules changes to 173-441 WAC

.pdf of draft rule changes for WAC 173-441

https://ecology.wa.gov/draft-rule-language-173-441-wac-7-1-24

Draft proposed rules changes to 173-446 WAC

.pdf of draft rule changes for WAC 173-446

https://ecology.wa.gov/draft-rule-language-173-441-wac-7-1-26

Cap-and-Invest Linkage Rulemaking Public Meeting

.pdf of July 10 public meeting presentation

https://ecology.wa.gov/presentation-wac-173-441-446-7-10-24

CFS Rulemaking Updates

Slideshow presentation from the Sept. 9 and 12, 2024, CFS Rulemaking Update webinar

https://ecology.wa.gov/presentation-wac-173-424-9-9-and-9-12-2024

Draft Climate Resilience Engagement Plan

This is the Draft Climate Resilience Engagement Plan.

https://ecology.wa.gov/climate-resilience-strategy-draft

Survey Reference Map

Climate resilience strategy survey map by county.

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

Climate Resilience Strategy Engagement Plan

This Engagement Plan supports Ecology in our efforts to develop an updated statewide Climate Resilience Strategy.

https://ecology.wa.gov/climate-resilience-strategy-engagement-plan-final

Washington State Climate Resilience Strategy Public Comment Draft

This draft public comment period details how to provide comments and feedback on the Climate Resilience Strategy.

https://ecology.wa.gov/public-comment-draft

Washington State Climate Resilience Strategy Summary - Chinese

Climate Resilience Strategy Summary in Chinese

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

Washington State Climate Resilience Strategy Summary - English

Climate Resilience Strategy Summary in English

https://ecology.wa.gov/english-washington-state-climate-resilience-strategy-summary

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

Draft rule language (tracked) (173-446)

draft rule language for WAC 173-446, offsets protocols

https://ecology.wa.gov/draft-rule-language-173-446-wac-10-1-24

Draft offset protocol language

Draft offset protocol language for ozone depleting substances projects

https://ecology.wa.gov/draft-offset-protocol-language-173-446-wac-10-1-24

Rulemaking Announcement (WAC 173-443) 10-2-24

CR 101 for WAC 173-443

https://ecology.wa.gov/rulemaking-announcement-wac-173-443-10-2-24