Ghardaïa offers a model for climate-responsive urbanism

The M’Zab Valley in southern Algeria serves as a historical model for climate-responsive urbanism and sustainable design. Developed by the Ibadi community between the eleventh and fourteenth centuries, the five fortified settlements—Ghardaïa, Beni Isguen, Melika, Bounoura, and El Atteuf—utilize compact morphology and sophisticated environmental integration to manage extreme Saharan conditions.

These traditional settlements employ passive cooling, strategic street orientation, and efficient water management to ensure thermal comfort and minimize energy consumption. In 1982, UNESCO inscribed the M’Zab Valley on the World Heritage List, recognizing it as an outstanding example of a human habitat perfectly adapted to its environment, offering relevant lessons for contemporary urban planning in the face of rising global temperatures.