In recent years considerable progress has been made in the understanding of urban land-use change and its dynamic interrelationships with economic, social, and environmental systems. From a quantitative perspective, advancements in GIS technologies, the increased availability of high-resolution remote sensing data, and new GIS-based spatial metrics of urban form and urban growth have helped to establish methods for comparative spatial analysis. However, due to the lack of homogeneous data, very few empirical studies have systematically addressed urbanisation and urban growth at a cross-national level. With this background, this paper presents a comparative assessment of urban land-use change across twenty-six European countries. On two scales of analysis, country and 20 km cells, we found a surprising variability in terms of urban growth and its territorial shape. We argue that these diff erences cannot be explained by varying demographic or economic growth pressures alone. Indicators on the composition, pattern, and density of urban growth illustrate that country-specifi c drivers of urban land-use change play an important role for the shaping of Europe's settlement structure.

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In modern Western societies people often lead inactive and sedentary lifestyles, even though there is no doubt that physical activity and health are related. From an urban planning point of view it would be highly desirable to develop built environments in a way that supports people in leading more active and healthy lifestyles. Within this context there are several methods, predominantly used in the US, to measure the suitability of built environments for walking and cycling. Empirical studies show that people living in highly walkable areas are more physically active (for example, walk more or cycle more). The question is, however, whether these results are also valid for European cities given their different urban planning characteristics and infrastructure standards. To answer this question we used the Walkability-Index and the Walk Score to empirically investigate the associations between walkability and active transportation in the city of Stuttgart, Germany. In a sample of household survey data (n = 1.871) we found a noticeable relationship between walkability and active transportation—the more walkable an area was, the more active residents were. Although the statistical effect is small, the health impact might be of relevance. Being physically active is multi-determined and not only affected by the walkability of an area. We highlight these points with an excursion into research that the health and exercise sciences contribute to the topic. We propose to strengthen interdisciplinary research between the disciplines and to specifically collect data that captures the influence of the environment on physical activity in the future.

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