Based on the three dimensions model of sustainability, different studies that address the integration of the culture and sustainability concepts from a theoretical field propose that culture should be included as another sustainability dimension to a greater degree. This approach has not been put into practice to date. In fact, when sustainability application is examined in cultural activities such as museums and exhibitions, in most cases it is associated with only one dimension and evaluation methodologies based on a holistic approach; the Life Cycle Sustainability Assessment (LCSA) is used in very few cases. In this work, a methodological framework is proposed to add the cultural dimension to the study of the environmental, economic, and social dimensions of sustainability. A sequence of phases in line with the LCSA methodology is used to achieve the simultaneous evaluation of impacts associated with a sustainability approach based on four dimensions. A thorough literature review revealed cultural indicators, which were classified and organized in order to facilitate the cultural impact assessment and complement the indicators already used to evaluate other dimensions. Additionally, the approaches and methods proposed are put into practice in a case study, which consists of an experimental exhibition room. The different phases of the methodology have been successively developed, and indicators for all sustainability dimensions have been obtained. Thus, the theoretical contribution of this work is embellished with the development of a practical case, which demonstrate that cultural dimensions can be evaluated together with the rest of the dimensions in order to obtain a multidimensional assessment of sustainability.
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