 
 <prompt> Wetin be sustainable architecture? Based on di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: In di late 20th century, dem add one new concept to di ones wey dey inside structure and function, wey be di consideration of sustainability, so sustainable architecture. To meet up with di current way of life, building suppose dey constructed in a way wey dey friendly to di environment in terms of how dem produce di materials, di impact wey e get on di natural and built environment of di area wey dey around am, and di demands wey e get on non-sustainable power sources for heating, cooling, water and waste management, and lighting. 