STEM education, encompassing science, technology, engineering, and mathematics, has evolved significantly due to technological and societal shifts. Integrated STEM and STEAM (adding arts) approaches are becoming more spoken, focusing on developing 21st-century skills like creativity and...

This paper reviews the progress made in the literature toward defining and measuring the affordability of utilities. It highlights the relative merits of alternate affordability metrics; the practical challenges to their operationalization, including the underlying data requirements; and their...