Ontario is modernizing the environmental assessment program to support strong environmental oversight and a strong economy. Our proposed changes would allow us to focus resources on high-impact projects, cut the average review time in half for the largest projects and allow infrastructure projects to move forward more quickly.

Learn more about the proposed changes and how you can provide feedback.

Prepare an environmental assessment

How to prepare different types of environmental assessments in Ontario.

Get help planning

Make a request

Declaration orders
How to request a change to the Environmental Assessment Act requirements for a project.

Designating regulations and voluntary agreements
How to request that a project go through an environmental assessment process.

Information on the techniques used to resolve differences between proponents and parties through a neutral third party.

Request a hearing
How to request a hearing before the Environmental Review Tribunal.

Part II Minister’s Orders
How to request a higher level of assessment to address unresolved issues, known as a Part II Order.