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Climate change is a consequence of our difficulty to manage the currently conflicts and contradictions. It is configured as a process that makes human life on Earth increasingly uninhabitable, making the relationship between the Earth's ecosystem and humanity increasingly difficult. A fundamental cause of the climate change is the way in which economic wealth is produced and distributed. The current economy produces also ecological and social poverty. The adaptive reuse of cultural assets is proposed in the general framework of the Green New Deal of European Union, assuming the circular economy model for re-integrating economy into ecology. The aim of the paper is to identify how to transform a died heritage site into a living system, to be managed as a complex adaptive system, discussing the ways in which adaptive reuse can be implemented as the entry point for implementing the circular city. [ABSTRACT FROM AUTHOR]

Tourism is the third largest socio-economic activity in the EU and thus it can be considered an engine for development, producing many positive impacts, from trade sector to employment. At the same time, it can produce many negative impacts because it is configured according to the model of linear economy. A deep analysis of impacts produced by tourism sector and its great potential in contributing to the achievement of SDGs are presented. The aim of this paper is to identify a tourism development/management model able to produce multidimensional benefits and, simultaneously, reduce (environmental, social and economic) costs. In this perspective, the circular economy is proposed as a model able to contribute to make tourism more sustainable. This model necessarily requires appropriate evaluation tools, indicators and knowledge. [ABSTRACT FROM AUTHOR]

The shift towards the new paradigm, that is, the "ecological and humanistic" paradigm, introduced by the United Nations in the Agenda 2030, and the current period of health emergency due to COVID-19 place the human dimension at the centre of the development strategies for our cities. The humanistic dimension, in particular, is related to human wellbeing, health and living conditions. The health and wellbeing of citizens depend on factors and actions that go beyond the health sector. In particular, here, the attention is focused on the negative impacts produced by pollution and climate change, issues that concern (and that are closely related to) most urban agglomerations in the world. The pandemic due to COVID-19 has highlighted the close relationship existing among social, natural and economic systems. Each system is interdependent on the other. Thus, the pandemic has boosted the necessity to accelerate efforts to address climate change. Therefore, in this framework, new urban development models are required. The circular economy model is proposed as a model able to reduce the negative impacts of urban transformations. The attention is then focused on implementation tools for improving decision-making processes and, in particular, on the evaluation tools for assessing the multidimensional impacts of urbanisation on human health. [ABSTRACT FROM AUTHOR]