This online PDC handbook is a collective creation brought to you by TreeYo Permaculture, headed by Doug Crouch. It is a fair share service to those who are seeking information about various aspects of Permaculture. By using a multimedia approach, we embody the permaculture principles and bring concentrated information to a central node. We really hope that you will leave comments or questions so that the collective genius of the Permaculture community can be realized. Through this blog/book format, we can have an open dialogue and co-create so that future users can access not only the valuable information presented but also discussions and comments brought by you the users.