Dependence on fossil fuels, a non-renewable energy source, is the problem. It takes energy to heat, cool, and be able use our computers and watch TV. If we can use renewable energy sources to do the same thing than we can help lower the amount of carbon dioxide into the atmosphere. The outcome is the same for us, but the environment is being preserved. While it is important to reduce overall energy consumption, it may be more important to design carbon-free buildings.
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