In addition to the Permaculture Ethics, David Holmgren's list of 12 design principles shows us helpful ways to think about our systems.

• Observe and interact
• Catch and store energy
• Obtain a yield
• Apply self regulation and accept feedback
• Use and value renewable resources and services
• Produce no waste
• Design from …

This is a reformulation of the principles Bill Mollison used:

• Multiple elements x multiple functions
• Everything gardens
• The problem is the solution
• Yield is theoretically unlimited
• Work with nature
• Minimum effort, maximum effect

The Four Questions is an evaluating tool. The four questions are:

• What went well?
• What would I do differently?
• What is my vision?
• What is my next step?

Let's expand on each question.

OODA is an abbreviation for the words: Observe, Orient, Decide, Act. Developed and taught by John Boyd, a US military pilot, as a mental model for training other pilots.

Observe is about overseeing the whole, everything, facts and emotions, the different players and their (apparent) motives, culture and history and …

We created this biochar cooker during the second week of my first PDC. It is made from two large drums and one smaller can.

Starting from September 2018, Ina and I have rented an allotment at an association nearby. Ina quit the allotment in January 2023. I have ended our contract with the association in December 2024.

This survey lists the species found in the garden in 2024.

This list is part of the …