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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Agenda (WAC 173-446B) 8-1-23

This is the agenda for the August 1, 2023 stakeholder meeting for Chapter 173-446B WAC, Climate Commitment Act Funds Reporting.

https://ecology.wa.gov/agenda-wac-173-446b-8-1-23

Agenda (WAC 173-446B) 8-10-23

This is the agenda for the August 10, 2023 stakeholder meeting for Chapter 173-446B WAC, Climate Commitment Act Funds Reporting.

https://ecology.wa.gov/agenda-wac-173-446b-8-10-23

Agenda (WAC 173-441) 8-17-23

This is the agenda for the August 17, 2023 stakeholder meeting for Chapter 173-441 WAC, Electricity Markets.

https://ecology.wa.gov/agenda-wac-173-441-8-17-23

Agenda (WAC 173-446B) 9-7-23

This is the agenda for the September 7, 2023 stakeholder meeting for Chapter 173-446B WAC, Climate Commitment Act Funds Reporting.

https://ecology.wa.gov/agenda-wac-173-446b-9-7-23

Agenda (WAC 173-446B) 9-12-23

This is the agenda for the September 12, 2023 stakeholder meeting for Chapter 173-446B WAC, Climate Commitment Act Funds Reporting.

https://ecology.wa.gov/agenda-wac-173-446b-9-12-23

Agenda (WAC 173-441) 9-12-23

This is the agenda for the September 12, 2023 stakeholder meeting for Chapter 173-441 WAC, Electricity Markets.

https://ecology.wa.gov/agenda-wac-173-441-9-12-23

Agenda (WAC 173-441) 9-28-23

This is the agenda for the September 28, 2023 stakeholder meeting for Chapter 173-441 WAC, Electricity Markets.

https://ecology.wa.gov/agenda-wac-173-441-9-28-23

Agenda (WAC 173-441) 10-12-23

This is the agenda for the October 12, 2023 meeting to provide feedback on draft rule language for the Electricity Markets rulemaking.

https://ecology.wa.gov/agenda-wac-173-441-10-12-23

Agenda (WAC 173-441) 10-16-23

This is the agenda for the October 16, 2023 meeting to provide feedback on draft rule language for the Electricity Markets rulemaking.

https://ecology.wa.gov/agenda-wac-173-441-10-16-23

Draft Climate Resilience Engagement Plan

This is the Draft Climate Resilience Engagement Plan.

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

Agenda (WAC 173-441) 11-8-23

This is the agenda for the November 8, 2023 public meeting for Chapter 173-441 WAC, Electricity Markets rulemaking.

https://ecology.wa.gov/agenda-wac-173-441-11-8-23

Agenda (WAC 173-446B) 11-30-23

This is the agenda for the November 30, 2023 meeting to provide feedback on draft rule language for the CCA Funds Reporting rulemaking.

https://ecology.wa.gov/agenda-wac-173-441-11-30-23

Agenda (WAC 173-446B) 12-5-23

This is the agenda for the December 5, 2023 meeting to provide feedback on draft rule language for the CCA Funds Reporting rulemaking.

https://ecology.wa.gov/agenda-wac-173-446b-12-5-23

Agenda (WAC 173-441) 1-24-24

This is the agenda for the January 24, 2024 meeting to provide feedback on draft rule language for the Electricity Markets rulemaking.

https://ecology.wa.gov/agenda-wac-173-441-1-24-23

Draft rule changes (not tracked) to 173-441 WAC for Electricity Markets rulemaking (1/23/24)

This document lists the third informal draft rule language changes (not tracked) to Chapter 173-441 WAC (Reporting of Emissions of Greenhouse Gases) for the Electricity Markets rulemaking.

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

Agenda (WAC 173-424) 2-22-24

This is the agenda for the February 22, 2024 public meeting for the Clean Fuel Standard rulemaking.

https://ecology.wa.gov/agenda-wac-173-424-2-22-24

Agenda (WAC 173-424) 2-28-24

This is the agenda for the February 28, 2024 public meeting for the Clean Fuel Standard rulemaking.

https://ecology.wa.gov/agenda-wac-173-424-2-28-24

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 Summary - Chinese

Climate Resilience Strategy Summary in Chinese

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

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