*4.1.3 Policy and legislations set back*

A study by Ibem and Azuh supported the fact that weak sociopolitical structure and institutional frameworks are the banes of failed housing policies and its implementation mechanisms. As a result, growth in the quantity and quality of the housing stock in the country remains poor due to non-existent or non-functional standard and norm system for accreditation of green buildings [29].

### **4.2 Environmental challenges**

## *4.2.1 Climate change*

Some of the resulting effects of urbanization are an overwhelming increase in the number of high energy consumption buildings, increased vehicular density,

leading to more consumption and burning of fossil fuels and release of greenhouse gases. These activities are major culprits of climate change.
