This article presents a proposal for a composite index to assess the degree of sustainable urban liveability. It makes two key contributions to this field of study. The first is a proposal for the concept of sustainable urban liveability that includes the need to meet a minimum number of environmental conditions in terms of resource consumption and the deterioration of the environment. The second contribution is the use of a non-compensatory aggregation technique in order to construct the composite index. This kind of aggregation technique does not allow trade-offs between partial indicators. In the particular context of sustainable urban liveability, it prevents poor performance by the natural environment indicators from being compensated by positive results in the remaining indicators. The proposed composite index for sustainable urban liveability is applied to the case of 58 Spanish cities. The results reveal significant differences in the degree of sustainable urban liveability for this group of cities, but more importantly, they highlight the potential of this proposal for urban management.

This paper proposes a composite indicator intended to assess territorial differences in household energy vulnerability. Although the estimation of household energy vulnerability has received less attention in scientific literature than energy poverty, it is a key element for political action as it allows for the diagnosis and subsequent action to tackle potential situations of household poverty before they actually occur. In this sense, the principal contribution of this article is a proposal for a tool designed to quantify the abstract and multidimensional phenomenon of household energy vulnerability. The technique used for constructing this synthetic indicator allows for the participation of stakeholders, especially policy makers, in defining and calculating the index. The synthetic index for energy vulnerability has been estimated for Spanish provinces. The results allow for the creation of a map providing an approximate insight into the spatial distribution of household energy vulnerability in Spain.

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The aim of liveable, sustainable cities has become one of the major challenges for urban planning. However, achieving both goals at the same time is no easy task, particularly when liveability and sustainability may be defined by certain elements that tend to be in conflict. The main goal of this work is to analyse the relationship between liveability and environmental sustainability within the context of Spanish urban spaces. To this end, we propose two synthetic indicators: one for liveability and the other for urban environmental sustainability. Each of these indicators is constructed using a technique based on goal programming. A bivariate analysis is carried out using these indicators, which allows us to compare the extent to which Spanish cities are liveable and sustainable. This analysis should be useful for urban planners when taking and implementing policy decisions. By comparing cities with similar profiles using a benchmarking system, it becomes possible to judge the margin for improvement in one attribute without detriment to the other. This benchmarking system also allows us to reveal the specific dimensions of liveability or sustainability for which there is the greatest opportunity for improvement.