Growing plants on buildings can reduce heat and produce healthy food in African cities

By Olumuyiwa Adegun, Senior Lecturer, Department of Architecture, Federal University of Technology, Akure

Persistently high temperatures and related heat stress are a big problem for people living in cities, especially in slums and informal settlements. It’s a problem that is expected to continue.

According to the latest Intergovernmental Panel in Climate Change assessment report, heat exposure in Africa is projected to increase in terms of person-days. That is, the annual number of days when the temperature is over 40.6℃ multiplied by the number of people exposed. Heat exposure will…

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