In South Asia where rapid urbanization is in progress, architects say design concepts must be very efficient and economic to build and the design should make efficient use of material, services and limited resources.
Challenges such as global warming and environmental degradation are a result of unsustainable urban development, says Jeremy Harris, former mayor of Honolulu - rated as one of the most sustainable cities.
We simply have not been building out cities in a sustainable way. Architects have to be responsible for the entire built environment, Harris said in Colombo, while on a visit to attend a national conference on architecture, being held in Sri Lanka.
Architects have to be concerned about the energy systems, utility systems and the waste management to make a design sustainab