Please visit the following link to learn more about the International Association of Nature Pedagogy and their upcoming conference in Scotland, UK on August 25th. This organization was founded by Claire Warden who has published several books related to forest preschools.
https://www.naturepedagogy.com
Are there any courses lined up for the fall of 2016.
For more information on courses in Canada, you may wish to look at the Forest School Canada website.