Humanity is currently facing an increasing range of natural, technological, and climate-related risks that, when occurring on a large scale, may disrupt essential life-support systems such as energy, water, food, communications, transportation, and healthcare. Despite the remarkable progress achieved by modern civilisation, its growing dependence on highly interconnected and complex networks means that the failure of one system can trigger cascading disruptions across others, increasing both the scale of damage and the difficulty of recovery. Therefore, sustainability can no longer be understood solely in terms of reducing resource consumption or improving energy efficiency. A broader approach is required, one that focuses on continuity of life, resilience, recovery, and the ability to rebuild following major disasters. International approaches to community resilience and resilient infrastructure, including those promoted by the National Institute of Standards and Technology (NIST), emphasise the importance of maintaining essential services such as water, energy, sanitation, transportation, and communications under extraordinary conditions. The Concept of a Sustainable and Self-Resilient Community A sustainable and self-resilient community can be defined as an urban environment equipped with sufficient resources, systems, and capabilities to maintain its essential functions for extended periods without complete dependence on external infrastructure. This does not imply isolation from the outside world or abandoning conventional infrastructure networks. Rather, it means developing reserve capacities and alternative systems that enable the community to continue functioning when external services are disrupted. The proposed model is based on an integrated system that includes renewable energy generation, water management and reuse, local food production, waste treatment and recycling, adaptable housing, healthcare and emergency facilities, maintenance and production workshops, and communication systems capable of operating independently when conventional networks fail. Disaster Scenarios and Testing Community Resilience The resilience of a sustainable and self-resilient community can be evaluated through several potential disaster scenarios. In short-term disasters, such as earthquakes, floods, or widespread power outages, the primary objective is to protect residents and maintain essential services until external infrastructure is restored. In long-term disasters, where service disruptions may continue for months or even years, the community must gradually shift from a consumption-based model towards a production-based model, particularly in relation to food, water, energy, and essential maintenance materials. Local production capacity therefore becomes a fundamental component of long-term continuity of life. The most complex scenario involves large-scale civilisational disruption, in which a significant portion of industrial facilities, energy networks, communication systems, and technical capabilities may be lost. Under such circumstances, providing shelter and food alone would not be sufficient. It would also become necessary to preserve what may be described as a “seed of civilisation”—a body of knowledge and material resources that enables future generations to gradually rebuild essential capabilities. Such a system could include physical and digital libraries containing fundamental knowledge in science, mathematics, medicine, agriculture, and engineering, together with information on tool production and the manufacture of essential materials. Maps, educational resources, and practical knowledge would also play an important role in supporting reconstruction. Knowledge Preservation and the Continuity of Digital Civilisation Modern digital civilisation presents an additional challenge concerning the preservation of knowledge. Digitally stored information may become inaccessible if the devices, software, or energy systems required to access it are lost. Therefore, knowledge preservation within a resilient community should rely on multiple layers of storage and preservation. This approach may combine digital media with long-term archival media, while also preserving essential knowledge through physical formats that can be read and understood without sophisticated technologies. Such a strategy would help ensure the transmission of knowledge between generations even in the event of prolonged technological disruption. Design as a Tool for Rebuilding Civilisation The objective of resilient community design should not be limited to survival during a disaster; it should also support recovery and reconstruction. Community functions and services should therefore be distributed rather than concentrated in a single facility, while dependence on one source of energy, water, or food should be avoided. A resilient community also requires the diversification of residents’ skills and capabilities in areas such as agriculture, maintenance, energy, healthcare, and local production. Community resilience does not depend solely on technology; it also depends on human diversity, knowledge, cooperation, and the ability to adapt. The NIST approach to community resilience emphasises the importance of understanding the interdependencies among buildings, infrastructure, and social and economic systems. It also highlights the need to establish clear recovery and reconstruction objectives before disasters occur, transforming disaster response from a temporary reaction into a long-term resilience strategy. Conclusion The sustainable community of the future should not be designed merely to operate more efficiently under normal conditions; it must also be capable of withstanding and recovering from abnormal and disruptive conditions. Design can therefore evolve from simply creating places for living into the development of integrated systems capable of protecting life, resources, knowledge, and community continuity. The true value of a self-resilient community lies not only in its ability to survive a disaster, but also in its capacity to recover afterwards, preserve knowledge and experience, and leave future generations with the tools, resources, and knowledge required to rebuild and begin again. In this sense, sustainable design becomes a strategy for protecting humanity’s future and preserving the continuity of civilisation rather than merely a temporary response to crises.