Frederick Buechner wrote that there is a time for looking back over the past "and trying to figure out where we have come from and where we are going to."
Renewable Energy: An Overview - Solar Architecture in Ancient Greece
Modern excavations of many Classical Greek cities show that solar architecture flourished throughout the area. Individual homes were oriented toward the southern horizon, and entire cities were planned to allow their citizens equal access to the winter sun. A solar-oriented home allowed its inhabitants to depend less on charcoal - conserving fuel and saving money.