<p>Energy efficiency in buildings is being promoted by governments and environmental and construction organisations, as a key way to reduce greenhouse gas emissions, save on energy bills, and improve quality of life. What impact will this have on future energy use, and types of consumption, in the residential and commercial buildings sectors? What policies and targets are governments adopting, and how successful are they being? What does this imply for climate policy, and for suppliers of energy to buildings?</p>
