Rainwater harvesting in hot climate



Clever concave roof design harvests rainwater in hot climates


Kimberley Mok
Design / Green Architecture


We know that water is life, and the growing scarcity of water in many regions around the world is already affecting food security, and could very well prompt future climate migration and conflicts over water.

All these factors are compelling reasons to create self-sustaining buildings that are appropriately designed for their local climate and possibly even support local biodiversity. ArchDaily shows this interesting rainwater-collecting design from Iranian firm BMDesign Studios, which features a double-roof design with a bowl-shaped component that augments the amount of rainwater that can be collected in arid climates.

Author: Willem Van Cotthem

Honorary Professor of Botany, University of Ghent (Belgium). Scientific Consultant for Desertification and Sustainable Development.

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