1. Introduction: The Earth as a World of Trials and Expiation in the Face of the Global Crisis

The contemporary environmental collapse that characterises the Anthropocene extends far beyond the purely biological, economic or socio-political sphere; fundamentally, it constitutes the tangible manifestation of the stage of moral and spiritual development attained by terrestrial humanity. From the perspective of Spiritism, material crises do not arise as chaotic contingencies or accidents of matter, but rather find their outward expression in the state of consciousness of the collective soul. When ecosystem degradation is examined through this philosophical lens, the ecological predicament becomes embedded within an evolutionary cosmology in which the Earth is classified, according to the teachings contained in The Spirits’ Book (Questions 1012–1019), as a ‘world of trials and expiations’. At this stage of planetary development, the prevalence of lower passions and ethical backwardness are translated into the physical environment in the form of ecosystem instability, pollution and biological suffering, revealing that the socio-environmental debt is the direct counterpart of humanity’s spiritual debt.

The dogmatic or traditional understanding of suffering within the process of expiation often leads to a paralysing fatalism, interpreting pain as divine punishment that must be endured with passive resignation. However, a rigorous hermeneutical approach to Spiritist Doctrine requires trials to be transformed into an active catalyst for ethical responsibility and planetary regeneration. The degradation of the terrestrial habitat does not result from an arbitrary decree of Providence, but rather from the objective consequences of the interaction between incarnate spirits and the laws of nature. To approach the ecological crisis within a Spiritist framework entails replacing predatory anthropocentrism with an ethic of shared responsibility, whereby overcoming expiations requires the conscious restoration of the relationship between human beings and the biome that sustains them.

• Reflection of the Collective Moral State: The spiritual ecological footprint upon the planet demonstrates that environmental degradation is not an external phenomenon, but rather the outward expression of ethical disorder, selfishness and a lack of solidarity within human society.
• Transforming Trials into Responsibility: The suffering arising from resource scarcity and climate change must cease to be interpreted as an inevitable sentence and instead be understood as an imperative call for reparation and collective learning.
• The Correlation Between Suffering and Vulnerability: La aflicción que golpea con mayor severidad a las poblaciones más desfavorecidas evidencia la urgente necesidad de reorientar las estructuras sociales y tecnológicas hacia un biocentrismo espírita basado en la fraternidad universal.

In light of the evidence that environmental degradation is a symptom of a world of trials and expiations, it is essential to broaden the philosophical horizon towards the fundamental axiom of the plurality of inhabited worlds.

2. The Plurality of Inhabited Worlds in Spiritist Doctrine

The teachings of Allan Kardec and the higher spirits concerning the multiplicity of dwellings throughout the cosmos — set out systematically in The Spirits’ Book (Questions 171–188) and further developed in Chapter III of The Gospel According to Spiritism — constitute a cosmological framework that radically challenges humanity’s geocentric arrogance. By positioning the Earth as a modest link within an infinite hierarchy of worlds inhabited by intelligent beings, Spiritist philosophy maintains that the status of planetary dwellings corresponds directly to the degree of moral and intellectual evolution attained by their inhabitants. This all-encompassing vision provides an indispensable basis for comparison: the degree of deterioration of a biological environment is inversely proportional to the spiritual maturity of the collective that inhabits it.

Spiritist Codification establishes a precise typology for understanding the progression of planetary realms and their relationship with nature. In primitive worldsphysical existence is harsh, and souls are only beginning their moral development within a wild and untamed natural environment. In worlds of trials and expiations, such as the Earth in its present state, imperfection prevails and matter is exploited selfishly, generating a pronounced socio-environmental imbalance. By contrast, worlds of regeneration represent transitional realms in which the soul frees itself from unruly passions and embraces the duty of restoring devastated ecosystems. Finally, happy worlds and heavenly or divine worlds are inhabited by purified spirits, where refined matter exists in perfect harmony with an ethic of universal love, giving rise to a fluid and harmonious symbiosis with nature.

The contrast between the disorder of lower worlds and the functional plenitude of higher worlds demonstrates that ecological health is the biological expression of moral elevation. This scientific and spiritual realisation gives rise to an urgent and inescapable ethical imperative for terrestrial humanity as a whole.

3. Colapso Ambiental y Evolución Colectiva: La Dimensión Ética y Espiritual

To develop a far-reaching environmental ethic grounded in Spiritist philosophy, it is necessary to move beyond a narrow and individualistic interpretation of the reincarnation process. Historically, reincarnation has been explained as a strictly personal form of instruction, aimed at settling private karmic debts or achieving the isolated perfection of the spirit. However, reincarnation must be understood as a succession of journeys of endeavour within the framework of ‘collective evolution’. No spirit progresses in isolation; evolution takes place in partnership with humanity and through an ongoing dialogue with the biosphere that sustains us. To destroy the planet is tantamount to poisoning the biological classroom in which the spirit itself will have to reincarnate in the future. Those who pollute or destroy the conditions necessary for life in the present are directly jeopardising the physical vehicle and ecological environment of their own future existences.

At this point, it is essential to highlight a significant gap in traditional Spiritist literature. For decades, a considerable proportion of Spiritist commentators and movements have exhibited an eschatological and dematerialised bias, concentrating their theoretical efforts almost exclusively on post-mortem salvation, individual mediumistic phenomena or a passive, millenarian expectation of the ‘New Earth’. This ethical short-sightedness has neglected the development of a Spiritist ecophilosophy, overlooking the fact that the moral laws explained in the Codification explicitly address the relationship between human beings and nature. Selfishness and pride, identified by Kardec as the afflictions of the human soul, constitute the primary causes of voracious extractivism and the current ecological crisis. The restructuring of contemporary Spiritist thought requires the reactivation of the Moral Laws set out in The Spirits’ Book (Part Three), viewed through the lens of a genuine integral ecology:

1. The Law of Conservation and the Distinction Between the Superfluous and the Necessary: Allan Kardec explicitly addresses, in Question 704, the distinction between genuine needs and artificial ones created by selfishness. Spiritist Doctrine teaches that nature provides what is necessary, with human labour playing its part in making resources available, but ethically condemns hoarding and superfluous consumption when these deprive others of their share or lead to the abusive depletion of natural sources of life.
2. The Law of Destruction and the Condemnation of Excessive Devastation: In Questions 728–736, Spiritist Doctrine draws a clear distinction between natural destruction — necessary for the transformation and renewal of matter — and excessive devastation driven by greed and pride. Kardec explicitly characterises any destruction that exceeds the limits of necessity and the sustenance of life as impious and criminal, thereby placing ecocidal extractivism in the category of a clear transgression of Divine Law.
3. The Law of Progress and the Transition to Spiritist Biocentrism: Question 779 demonstrates that intellectual progress is insufficient unless accompanied by moral progress. The true advancement of a civilisation is measured by its ability to transcend an anthropocentric and predatory worldview, embracing a Spiritist biocentrism that recognises the ethical rights of all created beings and assumes responsible stewardship of our planetary home.

4. Towards Interplanetary Responsibility and the World of Regeneration

The transition of the Earth from its condition as a “world of trials and expiations” to that of a “world of regeneration” will not occur through a catalogue of mechanical catastrophic events or through an automatic act of providential grace. It is a dynamic process of collective evolution that requires the parallel transformation of the spirit and its natural habitat. A morally regenerated humanity inhabiting a biologically collapsed planet is inconceivable; spiritual regeneration is intrinsically environmental regeneration. Therefore, the restoration of ecosystems, the decontamination of water and the preservation of the climate are tasks that are fundamentally moral and spiritual in nature.

Within this horizon of change, the concept of “interplanetary responsibility” must be stripped of any science-fiction connotations or aspirations towards the colonisation of outer space. The aim is not to turn our gaze towards the cosmos in order to evade our earthly debts, but to embrace the ethical maturity of those who recognise themselves as citizens of the universe. Interplanetary responsibility represents an awareness that the Earth is an active link in the economy of the cosmos and that its inhabitants must behave as conscious stewards rather than tyrants of creation. It is urgent to counter the passive and alienating attitude of those who merely “await a better world” or long for disincarnation as a means of escaping to higher spheres, with a committed determination to bring about terrestrial regeneration through the active stewardship of the ecosystem. No one who has been incapable of caring for the earthly garden will be prepared to inherit the abodes of peace within the cosmological hierarchy.

By embracing the stewardship of the ecosystem as an immediate spiritual duty, humanity takes the fundamental step towards true universal brotherhood, laying the foundations for the integration of the Earth into a higher cosmological order.

5. Conclusion: The Integration of Spiritist Thought and Global Ecological Consciousness

Spiritism, conceived by Kardec as a reasoned faith that engages in constant dialogue with science and philosophy, faces the pressing need to place itself at the forefront of global ecological consciousness. The axiom of the plurality of inhabited worlds provides a cosmological map of the evolutionary planes that may be attained, but the building of the Earth’s future depends on the moral transformation and concrete actions of its inhabitants in the present. The ecological crisis is not a dead end, but rather the great decisive trial that urges humanity to eradicate selfishness and pride from its social and individual structures.

True collective evolution does not consist in abandoning a world in ruins, but in embracing the noble task of transforming it through the practice of love, justice and strict respect for the laws of nature. Protecting biodiversity, mitigating socio-environmental debt and reverently safeguarding life in all its forms constitute the most mature and authentic expression of Spiritist faith. Only when terrestrial humanity understands that caring for the planet is the highest expression of its love for God and its neighbour will the Earth be able to heal its wounds, complete its ethical transition and take its rightful place among the worlds of regeneration.