The Green Party of Ontario is bringing some big names to Guelph for an Earth Day rally.

According to a post on the party’s website, Ontario party leader and Guelph provincial candidate Mike Schreiner will be joined by national party leader Elizabeth may for the April 21 event. Also set to attend are David Suzuki, the host of the long-running CBC series The Nature of Things, and musician Sarah Harmer.

The Green party has not yet announced the timing or the venue for this event.