FREE Course Introduction! The Permaculture Design Course Online by Noosa Forest Retreat. Flexible online course perfect for learning from home, and affordable, from $15 per week. Unique focus and natural health and community. Personal online support and forums for full PDC students. You will be guided through every step and create a real life Permaculture design for your home or first property! The course is presented by Ian Trew & Christina Laurikainen (over 40 years combined experience in permaculture, environmental science & planning) and specialist guest presenters.