*Renewable energy projects; large-scaled but also suited to rural and remote areas
*A building’s location and surroundings play a key role in regulating its temperature and illumination
*Tight building design, including energy-efficient windows, well-sealed doors, and additional thermal insulation of walls, basement slabs, and foundations can reduce heat loss by 25 to 50 percent

*Demand for energy services has to remain constant ,because improving energy efficiency will reduce energy consumption and carbon emissions
*Energy efficiency in buildings, industrial processes and transportation could reduce the world's energy needs in 2050 by one third

*Focus on historical, economic and aesthetic dimensions
*Seeking to study the structures, processes, changes and problems of an urban area
*Observation, social theory, interviews, and other methods to study a range of topics
*Collective consciousness --> Solidarity and Stability

*AIM - To effectively address problems
*Maintenance in encour