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Werner Lang: We are using basically 50% of the energy we are consuming today for running our buildings and for building them. [---1---]

You're listening to architect Werner Lang, of the University of Texas at Austin. He said that, like our own skin, a building's 'skin' — that is, its windows, doors, and insulation — helps regulate temperature. [---2---]

Werner Lang: The sun actually is giving us much more energy than we could ever need. [---3---]

Lang added that modern construction materials like steel and aluminum require large amounts of energy to produce. [---4---] Lang said they're a good first step in creating buildings that work better for the 21st century.

Werner Lang: It's a way of living, and it's a general approach you would be also applying to creating architecture so that we make sure that all the resources we are having – fresh air, fresh water, including energy, will be kept and will be preserved for future generations.

I'm Deborah Byrd, from E&S, a clear voice for science. We are at E&.

【视听版科学小组荣誉出品】
No matter whether we are an architect or whether we are somebody living in a building, we are responsible for bringing that energy consumption down. According to Dr. Lang, buildings that have efficient skins and use solar technology don't require much energy to maintain. I think it would be just a major mistake by not taking that for heating our buildings and actually for cooling our buildings as well. But more natural materials like wood or stone actually allow buildings to store, rather than emit, carbon dioxide.