Many older buildings have thick, solid walls, resulting in greater thermal mass and reducing the amount of energy needed for heating and cooling. (treehugger.com)
By contrast, the amount of energy needed for building and powering irrigation systems, factories, and cities, is very large. (thebreakthrough.org)
This doesn't come as a surprise, given the region's ambitious goals to meet energy needs with increasing amounts of renewable energy. (utilitydive.com)