Holmgren principle · 1 of 12
Observe and Interact
Build understanding through careful observation and thoughtful interaction, then let what happens change the next question.
Definition and orientation
Observe and Interact guides designers to learn with a living situation rather than treating it as a passive object or beginning with a fixed answer. Observation includes patterns, changes, absences, people’s experience and the effects of one’s own presence; interaction means small, purposeful engagement that produces further information.
What it guides: the principle helps frame design judgement through questions such as:
- What deserves attention before a design commitment?
- How might the observer, season or method be shaping the evidence?
- What modest interaction could test an interpretation without closing future options?

The detailed article and accessible semantic visual below provide the complete HTML text equivalent of the infographic, including its guidance, cautions, connections and evidence boundaries.
Observe and Interact: a contextual design lens
- NoticeRecord water movement, use, condition, timing and uncertainty.
- InteractMake a proportionate probe, conversation or reversible trial.
- CompareLook for repeated patterns and disconfirming evidence.
- RespondRevise the question and the design in light of what changed.
Origins, lineage and attribution
This wording belongs to David Holmgren’s twelve-principle formulation. Holmgren published the set in 2002 and describes the principles as memorable thinking tools that open different perspectives into whole-systems design. He also states that methods vary with place and situation and that principles do not substitute for practical experience or technical knowledge.
The Academy’s explanation is an attributed teaching interpretation, not a reproduction of Holmgren’s icon or a claim that Mark originated the principle. Other permaculture lineages may organise similar ideas differently.
Ethical and principle context
The principle begins Holmgren’s cycle and supports Pattern to Details, Self-Regulation and Respond to Change. A field tool can structure attention, while SADIMET provides places to record, evaluate and revisit it. Neither the tool nor the framework makes an observation automatically reliable.
Use Earth Care, People Care and Fair Share to test purpose, consequences and distribution. Apply this principle with at least one counter-question, relevant evidence and a named review point. It should influence judgement without becoming a slogan that certifies a preferred decision.
When and how to use it
- Name the decision, scale, affected people and living systems.
- Turn the principle into one or more open questions suited to the context.
- Add a counter-question that could expose harm, urgency, maintenance or a conflicting principle.
- Use a relevant framework or tool to gather evidence; do not mistake the method for the answer.
- Choose a proportionate action and state what remains uncertain.
- Record what evidence or feedback would trigger review, adaptation or stopping.
Application in Mark’s Diploma and at Vila Pinheiro
Design 05 records pattern recognition in the water cycle and natural flows as guidance for swales and ponds, alongside roof and patio runoff capture, zoning and soil enrichment. This is verified design reasoning, not evidence that every proposed earthwork was built or that a particular hydrological result followed. The same PDF page connects observation with storage, yield and scale, demonstrating that the principle was not used alone.
Evidence boundary: this representative connection was checked in Mark D’Cruz, Design 05: Water Self-sufficiency with Attachments, controlled Diploma PDF, PDF page 20. The master register also records broader use across Designs 1–10; those additional declarations are not converted here into unverified public case claims.
Limits, critiques and common misuse
- Watching indefinitely while a known hazard or urgent duty remains unaddressed.
- Treating a brief visit, photograph or personal impression as a complete baseline.
- Assuming observation is neutral; viewpoint, timing and power affect what is noticed and heard.
- Using interaction as permission for uncontrolled experimentation.
A principle cannot replace consent, law, site-specific evidence, competent technical advice or accountable maintenance. When principles pull in different directions, make the tension visible rather than selecting only the phrase that supports an existing preference.
Where this material comes from
This page follows Principle 1 in David Holmgren’s twelve-principle formulation, published in Permaculture: Principles and Pathways Beyond Sustainability (2002). Its principal sources are Holmgren’s Essence of Permaculture and the author-led Permaculture Principles publication. Holmgren presents the twelve as connected systems-thinking and design-thinking tools whose expression varies with place and situation. Related phrases and overlapping ideas appear in other permaculture traditions, but this page neither transfers their authorship to Holmgren nor flattens their differences. Mark D’Cruz used and interpreted this principle in his Diploma work; he is not its originator, and the master register records it as LIB-028. The authoritative formulation has been checked against Holmgren’s published explanation. The representative Diploma connection is verified at PDF page 20, with proposed actions and outcomes kept explicitly distinct.
Related entries
References and provenance
- David Holmgren, Permaculture: Principles and Pathways Beyond Sustainability, 2002; revised edition, 2017.
- David Holmgren, Essence of Permaculture, revised edition, design principle 1.
- Permaculture Principles, “Principle 1: Observe and Interact”.
- Mark D’Cruz, Design 05: Water Self-sufficiency with Attachments, controlled Diploma PDF, PDF page 20.
- Mă-Kè Diploma Library Master Register, Page Register LIB-028; source-matrix declarations retained separately from verified page evidence.
- Mă-Kè Permaculture Academy, “Principles, Patterns and Systems Thinking”, approved Cornerstone guide.