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The aviation industry plays a vital role in supporting tourism and international businesses by providing the fastest transportation network in the world and also boosting economic growth and creating employment. However, it harms the environment, mainly through air pollution due to aircraft engines emitting heat and gases that contribute to global warming, acid rain, smog, and ozone depletion. Air travel has increased considerably over the years, and therefore aircraft emissions have contributed to the build-up of greenhouse gases (GHG), with the resultant changes in weather patterns leading to global warming and environmental deterioration. Although aviation contributes to economic and environmental development, it is a double-edged sword because it is thought to be the most challenging industry for formulating sustainable policies, based on the direct conflict between environmental impacts and economic development. This chapter explores different types of problems associated with the negative impacts of aviation carbon emissions and the carbon footprint of tourism. The chapter will also reflect on policy, regulations, and governance approaches currently in place to combat these negative impacts as well as challenges involved in policy interventions.

This chapter aims to comprehend the challenges of urban mobility in smart cities and the measures to mitigate these challenges. This chapter also tries to study how sustainable mobility can be achieved to improve the quality of life in smart cities. In this direction, this chapter reviews various newspapers, academic reports, travel reports, government portals, government websites and research papers. Results and discussions are then carried out based on such data. So, the sources of data are secondary in nature. This chapter presented an overall comprehensive discussion on urban mobility, its challenges and the measures to combat these challenges. Further, this chapter confirmed that sustainable mobility helps in improving the quality of life. Practically, this chapter offers many implications to urban transport companies, providers, government and policymakers. Urban transport companies, providers, government and policymakers may be able to understand that the path to leading a quality life in today's smart cities lies in sustainable mobility. This chapter is original in the sense that the researchers, to their limited knowledge, could not find a chapter that discusses the challenges posed by smart cities in the form of urban mobility, and that sustainable mobility is the only path to enhance the quality of life by making the environment sustainable.

Purpose – To provide a behavioural perspective on the relationship between transport and climate change.

Methodology/approach – The factors influencing travel behaviour and the elements critical to behaviour formation are reviewed. The importance of behaviour change measures to reduce the impact of transport on climate change, and the application of behaviour change measures to increase the sustainability of transport, are examined.

Findings – There have been a range of travel behaviour measures implemented, such as individualised marketing programmes and travel plans, which have demonstrated some behavioural change impacts, in turn affecting climate change emissions, although they tend to be localised and small-scale.

Social implications – There is a real challenge to encourage individuals within society to exhibit more sustainable travel behaviour.

Originality/value – A range of behavioural issues still need to be resolved in terms of the relationship between transport and climate change, including a need to influence attitudes, to bridge the gaps between attitudes and both behaviour and intention, to make an impact at points of transition for individuals, to use cognitive dissonance as a way of harnessing social norms, and to understand more fully social pressure and group influence.

The purpose of this chapter is to present a case studio on a successful urban sustainability public policy in Mexico: Línea Verde. The main goal of Línea Verde was to improve the inhabitant’s welfare through a sustainability project.

From a theoretical discussion and empirical research methods, throughout this chapter we present the results and discuss the possible elements that explain successful sustainable public policies.

Our main findings are that complex contexts like the Mexican – budgetary impediments, weak institutions, corruption, and federal fragmentations – political abilities seem to enable the final implementation of the project.

This case works as a laboratory of ideas to implement easily, or more effective, environmental policies in countries as complex as, or less than Mexico. Also, this case is valuable in terms of local governments’ analysis and their limitations and opportunities to implement successful environmental projects. The above, however, cannot applied exactly as described in this chapter, since political abilities cannot be manipulated, but this chapter opens future researches on what can explain successful sustainable policies or, if people’s relations may be more important than the policy design.

This case highlights the importance of politics in the implementation of environmental policies in local governments with budgetary limitations.

This case is unique per se because runs throughout an old oil pipe; also, it got enough financing and actors helping the whole project, it had a good policy design that could never succeed if it wasn’t for politics.

This chapter investigates the geographical variations and approaches that shape the implementation of smart city projects on a global scale. Recognizing the significant influence of contextual factors on smart city initiatives, this chapter aims to comprehend the dynamics that drive the objectives and approaches of smart city projects across different countries. This chapter provides an overview of the strategic and geographical factors that impact smart city implementation, considering organizational drivers and practices, such as the Hofstede model in context. It explores the role of citizen-based, technology-based, and decision-making-based development in smart city implementation. Moreover, this chapter examines the strategic, cultural, socioeconomic, and geographical differences that influence smart city projects worldwide. It analyzes the geographical influence and internal drivers of smart city projects, focusing on Europe, North America, Latin America, and East and South Asia. This analysis offers insights into diverse approaches to smart city development, encompassing top-down and bottom-up approaches. By examining various perspectives and experiences from smart city initiatives worldwide, this chapter sheds light on the challenges and opportunities associated with implementing smart city strategies in different contexts.

Airports and urban developments in their vicinity constitute a highly specialized type of agglomeration based on air connectivity that epitomizes the importance of mobility in the modern service economy. However, in a frictionless world of backyard capitalism and perfect competition, such agglomeration of civil aviation services would not have been necessary. Thus, concepts such as imperfect markets, path dependence, and cumulative causation may be alternatively used to explain the spatial aspects of airport developments. Focusing on “second-nature” concentration, the “new geographical economics” (NGE) literature offers a potential theoretical framework that organizes these concepts into a coherent economic framework. This chapter aims to highlight the unique relevance of the NGE approach in developing an economics-based understanding of the spatial distribution of airports. Drawing from the existing NGE knowledge-base, this conceptual chapter explains that the NGE approach can be adopted as a micro-foundation to show how the spatial aspects of airport development, including core-periphery dynamics of regional disparity and parity, can emerge from economic mechanisms. The chapter concludes with potential implications for airport economics and regional policy, along with the discussion of some of the main critiques of the theory.