Source
doi:10.1016/j.heliyon.2024.e26180 — original publication (opens in a new tab; the file is not redistributed)
Summary
Neukart (2024) presents a 26-section engineering blueprint for a self-sustaining Mars colony, spanning habitat construction (ISRU-sourced Martian concrete), energy (solar, nuclear, geothermal, wind), water production (subsurface ice, atmospheric extraction, salt hydrate dissolution), food (aeroponics, algae bioreactors), transport, communications, and human psychology. The organising logic is ISRU — In-Situ Resource Utilisation — the principle that long-run viability requires sourcing all life-supporting resources from the local environment rather than remaining dependent on Earth supply chains. Though speculative engineering rather than empirical research, the paper provides a systematic multi-domain framework for what complete self-sufficiency requires under extreme resource constraints, making it a useful conceptual analogue for Earth-based community self-sufficiency arguments.
Key thesis insights
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ISRU as the structural logic of self-sufficiency — The paper’s foundational argument: any colony that remains dependent on Earth supply chains will never achieve genuine self-sufficiency; ISRU (Martian regolith, ice, atmosphere) is the mechanism that severs external dependency. This is the most extreme articulation of the self-sufficiency logic the thesis argues for at community scale on Earth — local resource closure as structural independence from external supply chains. The analogy illuminates why partial self-sufficiency (remaining grid-dependent for one domain) is categorically different from multi-domain closure. LIT_024
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Multi-domain closed-loop systems — Self-sufficiency is organised across six interacting domains (habitat, energy, water, food, transport, communications), each with supply and demand sides requiring internal closure. The algae bioreactor section is exemplary: a single technology simultaneously produces O₂ (photosynthesis), absorbs wastewater N/P, provides Spirulina nutrition, and yields biofuel lipids — a four-function closed biological loop. This multi-function integration logic parallels the integration multiplier effects in smarter eco-city literature (LIT_023); together they frame cross-domain system integration as a defining feature of genuine self-sufficiency. LIT_024
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Self-sufficiency as trainable capacity — Section 5.2 operationalises training for autonomy as E_i = (successful resolutions / presented challenges), framing the ability to act without external support as a measurable, developable capability. This is useful for the thesis argument that community self-sufficiency is not only a technology deployment problem but a human capacity problem — the ability to respond without external assistance must be deliberately cultivated, not assumed. LIT_024
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ISRU cost framework — Local production follows a high-upfront, low-marginal-cost structure (C_isru = C_tech + C_op + C_maint) against external supply’s low-upfront but permanently high recurring cost (C_t = C_launch + C_infra + C_labor + C_misc); ISRU dominates economically as scale grows. The same capital-versus-recurring-cost logic applies to community-scale local energy, food, and water systems on Earth, and explains why the economic case for self-sufficiency strengthens with community size and time horizon. LIT_024
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Psychological self-sufficiency as a load-bearing system component — Isolation, communication delays, and mandatory autonomous decision-making are treated as integral to the self-sufficiency challenge, not peripheral. Psychological resilience and community cohesion are co-equal with technical systems in determining colony viability. Directly maps onto the thesis treatment of I10 (Psychological Wellbeing and Community Cohesion) as one of the ten SSI indicators — the Mars context makes the argument for including psychological dimensions more vivid. LIT_024
Connections
Links to
Sources (1): LIT_023