As of April 1, 2019, the ECO became part of the Office of the Auditor General of Ontario. This change occurred under the Restoring Trust, Transparency and Accountability Act, 2018.

This website will no longer be updated. Please visit

Check out this list of organizations (mostly branches of government) that may be able to help you with your environmental concerns.

From energy to protected areas, from mining to climate change, the ECO's reports cover a wide variety of environmental topics and issues. To find articles and information of interest, check out this page of environmental topics or search this website and reports.

Check out guides and forms to help you learn more about, and exercise, your rights under the Environmental Bill of Rights.

Check out the ECO's Blog page for information on reports, events and thoughts from the ECO.

Watch ECO videos.

Check out some of the presentations that the ECO has delivered to various stakeholders.

Check out Frequently Asked Questions page for answers to commonly asked questions.

Every year, the ECO asked prescribed ministries to submit outstanding programs and projects to be considered for the ECO’s Recognition Award. Check out past award winners here.


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