Which factors influence whether buildings are sustainable? Write 3-5 sentences.

Several factors can influence whether buildings are sustainable, including the materials used in construction, the energy efficiency of the building, the water usage and wastewater management systems in place, and the building's overall design and orientation. The location of the building, access to public transportation, and proximity to green spaces can also impact its sustainability. Additionally, factors such as the building's maintenance practices, operational efficiency, and indoor air quality measures can all contribute to its overall sustainability.