EN|FR
EN|FR
Biosphere
EconomicsBecoming planetary
The Planetary AgeUnderstanding the great systemic transition of our eraArtificial IntelligencePutting AI at the service of humanity and the biosphereThe Earth from SpaceA vision to change our relationship with the worldThe Blue RevolutionA galvanizing story for transition at a global scaleThe Power of DreamsHow great dreams transform reality

Advisory

Planetary TransformationAdvisory & strategic transformationAI & TransitionHarnessing AI to unlock innovation for planetary challengesEnergy Transition25 years navigating the complexity of the energy transition

Vision

Planetary LabConcepts and narratives shaping the frameworks of the planetary era
Newsletter·
EN|FR

Understand the system, even before strategy or transition.

The
Biosphere

A thin film between the deep ocean and the lower atmosphere, twenty kilometers thick. Everything that has ever lived fits inside it.

It represents just one billionth of the Earth's weight. The weight of a veil of silk draped over a body, fragile but untearable, until now.

3.8 Bnyears of continuous operation
20 kmthe entire space of life
~1 / 10⁹of Earth's total weight

01 · Naming the invisible

Nature, environment,
climate, biodiversity.
None of them names the Whole.

Each of these words gestures at a piece of something. None of them names the Whole. None of them refers to a single, integrated living system that has been operating for nearly four billion years. Before any strategy or transition plan, we need to identify the system inside which our reality operates.

The Biosphere is that system: the totality of living matter and the environment it has shaped into a single self-regulating whole. Eduard Suess coined the term in 1875. Vernadsky established its scientific foundations in 1926.

Vernadsky understood in 1926 that living organisms are not passive tenants of the Earth. They actively transform its chemistry, its soils, its atmosphere. The Biosphere builds and maintains its own environment. Since the industrial era, humanity has become a geological force capable of destabilizing the very system it depends on.

02 · The real invisible hand

Regulation without
a center

No single discipline covers the Biosphere on its own. Biology explains the oxygen cycle, hydrology the water cycle, geophysics the magnetosphere. Each science describes a fragment of the same whole. Their interaction produces something none of them predicts alone.

No one designed this. The system has no center, no controller. Each mechanism follows its own logic independently. Yet their interaction, at planetary scale, produces a stable outcome: homeostasis. The Biosphere has maintained the conditions for the circulation of liquid water and for complex life for several billion years. Unless our species destabilizes it.

03 · Living system or organism?

Lovelock, Margulis,
and the Gaia Hypothesis

In the 1970s, two scientists publish a theory the scientific community receives with deep skepticism: The Gaia Hypothesis. The Earth functions as a superorganism, capable of regulating its temperature, atmospheric composition, and ocean chemistry over geological timescales. Lovelock calls it geophysiology.

Over 3.8 billion years, even as the Sun grew far more luminous, the Earth remained habitable. This long-term stability fed Lovelock's intuition: that life participates in regulating the conditions for habitability.

+30%more solar luminosity over 3.8 billion years. Surface temperature: almost unchanged.

Evolution is a tightly coupled dance, with life and the material environment as partners. From the dance emerges the entity Gaia.

James Lovelock

James Lovelock

Gaia Hypothesis, 1973

Life did not take over the globe by combat, but by networking.

Lynn Margulis

Lynn Margulis

Co-author of the Gaia Hypothesis

04 · A new kind of science

Biosphere 2
A science ahead of its time

In the late 1980s, John Allen and a group of scientists and architects built an unprecedented sealed glass structure in the Arizona desert, enclosing a miniature replica of Earth's major ecosystems. The ambition of Biosphere 2 was to understand the integrated functioning of the planetary system, its equilibria, its flows and its points of fragility, by studying it as a whole and by studying its interactions with eight human beings.

Biosphere 2, Oracle, Arizona

Biosphere 2, Oracle, Arizona

There is nothing radically new in any one of the individual things we have done. What has been extraordinary is to do all of these things, all at once.

John Allen

John Allen

Biosphere 2, Oracle, Arizona

Seven ecosystems sealed inside one structure:

  • Tropical rainforest
  • Ocean and coral reef
  • Mangrove wetlands
  • Savanna grassland
  • Fog desert
  • Agricultural zone
  • Human habitat and laboratories

For Lovelock

Geophysiology: the study of Earth as a living physiological system, with organs, flows, and feedback loops.

For Allen

Biospheric sciences: the integrated study of the planetary system as a whole, where disciplines converge.

Both fields of research are largely set aside at the exact moment humanity is actively destabilizing the system it depends on. The Biosphere Economics Planetary Lab is committed to pursuing geophysiology and biospheric sciences, among the most important fields of scientific exploration of the 21st century.

05 · The Proof

December 7, 1972
Blue Marble

On that day, the Apollo 17 crew photographed the entire Earth, fully lit, for the first time in human history. In 4.6 billion years, the living organism that is Earth saw itself for the first time. The image would be called Blue Marble.

Blue Marble, Apollo 17, December 7, 1972

1972 was a pivotal year. The Meadows Report warned the world about the limits of growth, and the first UN Conference on the Environment brought together 113 nations in Stockholm. The photograph served as a shared mental reference, an image of what we risked losing. Billions of years after its formation, one species finally recognized the existence of Gaia. At the very moment it was threatening the balance it depends on.

Will this revelation be enough to change humanity's trajectory in time?

06 · Where does humanity fit in?

Cancer.
Or organ?

Within a few centuries, one species has become a force at planetary scale, capable of disrupting the equilibria the Biosphere has maintained for billions of years. Biology has a name for organisms that destabilize the systems they depend on.

CancerProliferates without regulationConsumes at the expense of the hostDegrades the system that sustains itNo function in service of the whole
OrganPerforms a defined functionRegulates, strengthens, regeneratesOperates in service of the larger bodyEnriches the system it belongs to

In , Jean-Pierre Goux explored another hypothesis in depth. Homo Sapiens could make the step toward Homo Biospheris: a humanity that recognizes the living system it belongs to, and makes it the foundation of all its decisions.

This scenario remains marginal. It may be the only one equal to what the planetary age demands. Biosphere Economics works to make it real, one organization at a time.

A production of the Planetary Lab

© 2026 Biosphere Economics · CC BY-NC-ND 4.0

The next step

Becoming an organ
of Gaia

The concept of Homo biospheris: humanity as a planetary collective, conscious of its role within the living world.

Explore Homo biospheris →