How to combine tradition and innovation to sustainably cool desert cities

Cities located in arid regions must contend with ever-rising temperatures, rapid urbanization, and increasing reliance on energy-intensive air conditioning systems. Yet, solutions exist to mitigate heat without resorting to energy-hungry technologies. Passive cooling strategies, inspired by both ancestral know-how and modern innovations, offer effective and sustainable answers.

Traditional architectures in arid zones, such as those in the Middle East or North Africa, have incorporated natural cooling devices for centuries to maintain comfortable temperatures. Inner courtyards, wind towers, and thick stone or rammed earth walls help limit heat accumulation. Courtyards, often surrounded by vegetation and water features, create cool microclimates by promoting shade and evaporation. Wind towers, on the other hand, capture breezes and expel hot air, thereby reducing indoor temperatures by several degrees. These time-tested methods remain relevant today.

Current technological advancements complement these traditional approaches. Reflective roofs, phase-change materials, and parametric modeling tools further optimize thermal comfort. Light-colored or green roofs reflect a portion of the sun’s rays and lower building temperatures. Phase-change materials, integrated into walls or ceilings, absorb heat during the day and release it at night, stabilizing indoor temperatures. Computer simulations also help design buildings and neighborhoods better suited to the local climate by optimizing orientation, ventilation, and insulation.

However, the adoption of these solutions sometimes faces obstacles. Climate variations, cultural changes, urban regulations, and economic constraints can limit their implementation. To be effective, these strategies must be tailored to each context and combined intelligently. For example, pairing rammed earth walls with modern materials allows for the benefits of both approaches: the thermal capacity of earth and the precision of new materials.

Studies show that hybrid solutions, blending tradition and innovation, are the most promising. They enable the creation of more resilient cities that are less energy-dependent and more environmentally friendly. To achieve this, it is essential to integrate these principles into urban planning policies, encouraging climate-adapted building codes and raising awareness among architects, urban planners, and decision-makers. The goal is to design urban spaces where thermal comfort aligns with sustainability and cultural identity.

Resources and References

Official Reference

DOI: https://doi.org/10.1007/s44327-026-00204-4

Title: A systematic review of passive cooling strategies integrating traditional wisdom and modern innovations for sustainable development in arid urban environments

Journal: Discover Cities

Publisher: Springer Science and Business Media LLC

Authors: Shiva Manshour; Steffen Lehmann