Rain
capture · filter · store · reuse · landscape recharge
Field notes · 2026
A future worth belonging to.
Technology should help us live better, without asking nature to pay the price.
The question is what we choose to build with them.
nature first
possibility
01 / Point of view
The world is changing.
AI and robotics will change how we work, build and live.
The question is not whether we use them.
The question is what we choose to build with them.
Progress should bring people with it.
Nature should not pay the price.
peoplenatureplacetechnology
What if intelligence helped life flourish?
participation, not isolation
A question in the margin / community
How do we build a future people actually belong to?
How do we build communities people truly belong to?
What makes people feel safe, useful and connected?
How do we create places that invite participation rather than isolation?
How do we design for belonging, not just living?
Can a place help people become more human again?
people need one another
lightly on the land
02 / Minimum impact
Build lightly.
- light footprint
- reversible / adaptable design
- build with the land
- less disturbance
- restore where possible
less impact
03 / Love for the natural world
Let nature lead.
Not outside our lives. Not somewhere we escape to. But around us, within our communities, and woven into the way we live.
- protect
- restore
- biodiversity
- learn from nature
- live within ecosystems
we belong within it
A living system / food
Food should nourish people, land and future generations.
What should food systems look like in a healthy civilization?
Can food production restore soil, water and biodiversity?
How do we shorten the distance between people and nourishment?
What happens when food, land and health are designed together?
How can abundance exist without waste?
soil → nourishment → soil
many sources / one system
04 / Elements in symbiosis
Nothing exists alone.
Sun, wind, rain, water, earth, people and technology can work as one quiet, responsive system.
05 / Safety + comfort
Live deeply.
- passive safety
- comfort
- resilience
- privacy
- healthy materials
- human wellbeing
shelter should feel human
light + air + water + movement
Conditions for life / health + longevity
Health is not a product. It is a condition created by many systems working well together.
What kinds of environments actually support long-term health?
How should light, air, water, movement, food and community work together?
What helps people live longer, more grounded, more joyful lives?
Can places themselves be part of prevention and healing?
What does a life-supporting environment really mean?
Togetherness + retreat / privacy
Belonging should not come at the cost of privacy.
How do we build community without losing privacy?
What is the right balance between togetherness and retreat?
How do we create environments where people can feel both connected and protected?
What does dignity look like in design?
togetherretreat
both are necessary
06 / Resource optimization
More value with less.
use → reuse → store → return
- less waste
- closed loops
- local resources
leave no loose ends
07 / Gather what is given
Read the elements.
observe → adapt → return
every drop has another life
Sun
light · solar energy · shade · passive design · seasonal use
Wind
natural ventilation · energy · cooling · airflow
Water / hydro
rivers + streams · micro hydro · low impact · treatment · reuse
Earth heat
stable energy · heating + cooling · low surface impact
Storage
batteries · supercapacitors · hydrogen · thermal storage · emerging concepts
Looking backward to move forward
The future does not only need invention. It also needs remembrance.
What did past civilizations understand that we have forgotten?
How did they live with climate, water, materials and seasons?
What can we learn from older ways of building, farming and gathering?
Where did they succeed?
Where did they collapse?
What wisdom should be carried forward into future civilization?
water wisdomlocal materialsorientationclimate intelligenceritual / meaningcraftinterdependence
08 / Future energy systems
Stay open to what is still becoming.
Compact modular nuclear concepts, fusion, advanced materials, smart distributed grids, and emerging energy systems.
Exploratory notes, not commercial claims.
still developing · possibility · what if?
repair before escape
A question of priorities / Earth before Mars
Why are we so ready to spend billions imagining life on Mars while failing to care properly for Earth?
Before we colonize other worlds, we should learn how to live responsibly in this one.
A multi-planetary future may come, but first we need a civilization worth extending.
Earth already gives us everything we need.
Peace here comes first.
Repair before escape.
Learn to live well on this planet first.
A multi-planetary future is not absurd, but it is not the priority now.
If we cannot live in balance here, we may only export imbalance elsewhere.
We should not scale destruction into space.
09 / Learning from climate
Tropical architecture
build with the climate, not against it
The tropics are not a problem to solve. They are a climate to learn from.
Shade. Air. Rain. Ground. Vegetation. Then technology.
Roof, air, light
- Shade before cooling. Deep eaves form a generous umbrella; raised, durable edges become its good boots.
- Let air cross open central spaces. High, vented roofs release trapped heat.
- Orient for breeze and sun. Welcome indirect daylight without inviting heat.
- Create outdoor and semi-outdoor rooms. Use air conditioning selectively, not by default.
Ground, life, water
- Adapt to the slope instead of flattening it. Raise structures where the site asks for it.
- Keep the ground footprint small. Preserve trees; treat vegetation as climate infrastructure.
- Make rainwater collection visible in the architecture. Design water as a cycle.
- Let native planting support biodiversity, privacy and connection to the canopy.
Material, knowledge, care
- Choose local, renewable and low-impact materials where they make sense: light steel, timber, bamboo, dry systems.
- Put passive strategies first and efficient technology second.
- Design for repair and durability in hot, humid conditions.
- Let local craft, knowledge, social life and economic reality shape the building.
A tropical building should breathe and belong. It should work with its site rather than dominate it, finding comfort through understanding before machinery.
Inspired by the work and research of Bruno Stagno, the Instituto de Arquitectura Tropical, and Pietro Stagno / Luz de Piedra opens in a new tab.
10 / What a place gives back
Beauty is not extra.
Beauty is not a luxury. It changes how a place feels, and how we feel inside it.
If we are going to build the world around us, why shouldn't it move us?
Why do some places make us breathe more deeply?
Can beauty help us care more deeply for a place?
Does a beautiful place invite us to stay, protect it, repair it and pass it on?
What happens when function, nature and beauty are designed together?
Why should affordable or sustainable architecture be visually poor?
Can beauty be part of dignity, memory and health?
Beauty may be a human word. Yet diversity, light, water, shelter, healthy vegetation, complexity and life, qualities that often feel beautiful to us, can also signal a richer habitat. A sterile landscape may be controlled but biologically poor; a living one is layered, seasonal, imperfect and relational.
Perhaps beauty is partly what thriving systems look like to us.Research on encounters with natural and biophilic environments supports restorative effects on mood and wellbeing. It does not make beauty a formula, nor promise health or longevity.
nature first
A working principle
Leave it better than we found it.
build lightlylive deeplylet nature lead
A beginning
This is where
I am starting.
Martijn Tjho
Cañas, Panama
leave it better
On the ground
Places in transition
Some places are part of the journey. Some make the next one possible.
A place where some of these ideas are beginning to take form. For sale, with the possibility of becoming part of the vision through the right co-creator partnership.
buy the place · continue the idea · build together
For sale. Its sale helps fuel the next chapter.
one chapter making room for another
Margins and further reading / inspiration
Other notebooks worth reading.
A quiet corner of the web, asking many of the same questions.
how to live · together · lightly
your name could begin here
The next page is unwritten
Stay close.
This is only the beginning. Leave your name and email if you would like to follow what comes next.
Co-creators are welcome.