Architecture as Second Nature
- Tom McPherson

- Nov 6
- 4 min read
Updated: Nov 19

We often think of architecture as something separate from nature, as if cities and buildings belong to one world, and forests and rivers to another. But this division is misleading. Every building we make begins with the materials of the earth and is shaped by the same natural forces that shape everything else. Stone, clay, timber, and glass are all part of the same world we inhabit. The built environment is not outside nature; it is one of its forms.
The Illusion of Separation
The idea of a “pure” nature, untouched by human hands, has a romantic appeal. But it’s also a myth. Almost every landscape on the planet now carries some trace of human influence. The air, the climate, the patterns of growth and decay, all are shaped by us, even when we’re not aware of it. The world we live in today is not divided between natural and artificial spaces; it is one continuous environment, transformed by both biology and imagination.
When we walk through a city, we’re not moving through something opposed to nature but through an evolved extension of it. The materials around us, concrete, steel, and brick, behave just like their origins. Concrete cracks like dry soil; glass gathers condensation like leaves; metal rusts like mineral veins exposed to air. The line between what is built and what is grown is far thinner than we tend to imagine.
The Lifecycle of Buildings
A building, once complete, immediately begins to change. Sunlight softens its colours, rain darkens its edges, and wind erodes its surface. Over time, plants find cracks, insects make homes in corners, and moss grows across stone. What we call “weathering” is really a clash between human intention and natural forces.
When a building falls into ruin, it’s often described as decay, but decay is just another phase of transformation. The ruin becomes a habitat again, a point between architecture and ecology. A wall covered in ivy, or a broken roof where swallows nest, shows how human structures and natural processes continually merge. What begins as design ends as landscape.
The Animal Architect
Humans are not the only species that builds. Beavers dam rivers; termites construct towers that regulate temperature; birds weave nests that flex with the wind. Each uses materials close at hand, responding to local conditions. Our architecture is another version of the same impulse, to create shelter, stability, and connection.
The difference lies in scale and awareness. A skyscraper is a human equivalent of a hive or mound, made consciously rather than instinctively, but guided by the same drive to inhabit the world more securely. To build is to participate in nature, not to resist it. Our creativity is one of nature’s many tools.
The City as Ecosystem
Seen from above, a city looks almost organic. Streets branch like rivers; lights spread like constellations in the sky. Within it, heat rises, moisture gathers, and wind moves through in patterns as complex as those of a dense forest. The city is not a void where nature has been removed; it’s a habitat of its own, full of life adapted to its conditions. Plants push through to grow in cracks, and foxes roam the urban streets at night. Even the materials of the city form a kind of geology, layers of stone and glass, plastic and steel, weathered and re-formed by time. The city is a living system, always shifting, always in competition with the elements.
Sometimes, the relationship between design and nature is revealed in the smallest details. You can see it in the marks people leave as they move through a space, the worn patch of grass where a shortcut has formed across a park, or the smooth handrail where countless hands have passed. Architects call these informal tracks “desire paths”, the routes made by instinct rather than instruction. Once you have an eye for them, you will notice them everywhere.
They remind us that even within structured environments, nature finds its own way. The designed path and the desire path are not in conflict; they are part of the same conversation, the designer's plan and the individual response multiplied over time. Together, they show how architecture continues to evolve after it is built, shaped not only by materials and weather, but by the daily choices of those who use it.
Belonging and Continuity
To recognise architecture as part of nature is to understand our own nature more deeply. What we build reflects our values, our society, and our self-awareness of time. A building that ages gracefully co-exists with its surroundings and demonstrates a way of inhabiting the world.
This view doesn’t lessen human achievement; it expands it as part of a much bigger picture. It allows us to see beauty in the entire life of a structure, from the first line drawn on paper to the moss-covered wall centuries later. Architecture becomes less about permanence and more about participation in a never-ending story.
Our cities, in this sense, are our modern forests, places where we gather, adapt, and evolve. Every wall, every window, every street is part of a living landscape. The built and natural worlds are not separate stories but one continuous narrative.
We are not outside nature. It is not separate from us; rather, we are within it, actively shaping it over time. Architecture, at its best, reminds us of this truth. Architecture is our second nature, a collaboration of immense responsibility in stewarding the relationship between the human mind and the earth.
The Habit of Drawing
For details of my forthcoming book, The Habit of Drawing Fast and Slow, please visit www.circlelineartschool.com/the-habit-of-drawing.
Subscribe to Circle Line Notes for new posts by email.


