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Over the past decade, biofuels production in the European Union and the United States has boomed – much of this due to government mandates and subsidies. The United States has now surpassed Brazil as the world's leading producer of ethanol. The economic and environmental impact of these biofuel programs has become an important question of public policy. Due to the complex intersectoral linkages between biofuels and crops, livestock as well as energy activities, CGE modeling has become an important tool for their analysis. This chapter reviews recent developments in this area of economic analysis and suggests directions for future research.

The logic of the economic system under which the world operates is predicated on an assumption that development is possible and that the pricing system mediates the acquisition of the additional resources required for that development. The chapter investigates where those resources are and focuses particularly on the BRIC counties. These countries have access to a large proportion of the remaining natural resources of the world while also having large populations and therefore great scope for rapid economic growth. These four countries contain a significant proportion of the world’s reserves of raw materials, but they are also rapidly developing countries with that development fuelled by their raw materials. One consequence of this is that the resources available to other countries in the developed world are constrained by this rising demand, with a number of possible consequences. The discourse in the developed world is towards the conservation of resources and towards energy efficiency. This is reflected in both manufacturing resources and consumer purchasing decisions. So it is generally accepted that resource depletion will affect the economic environment. It is not yet fully recognised, however, that development in other parts of the world will exacerbate this pressure and lead to a greater need to compete for the available resources. This competition will be economic but could also become physical as the world adjusts to a new geopolitical environment. This is an important topic not being addressed elsewhere.

Obviously the resources of the planet are finite and this is a limiting factor to growth and development. The depletion of the resources of the planet is one of the factors which has helped create the current interest in sustainability. Nevertheless the economic system under which the world operates is predicated on an assumption that development is possible and so the concern is with acquiring the additional resources required for that development. This is perfectly in accordance with the assumptions made by Brundtland and accepted ever since. However environmentalists have been showing that the resources of the world are overused and usage is not sustainable at this level and there is starting to be a general understanding of the meaning of resource depletion. While this has been occupying the minds of people in the developed western world a number of countries have adopted a strategy of rapid growth and economic development. Principal among these have been the BRIC countries. These countries have access to a large proportion of the remaining natural resources of the world while also having large populations and therefore great scope for rapid economic growth. This leads of course to an unstable global economy as there is a looming imbalance between supply and demand, leading to problems of governance in this new environment. We consider a diagnosis and prognosis for this situation.

Hospitality, constituting an essential component of the tourism industry, is a sector characterized by many feasible opportunities to cut carbon dioxide emissions and to reduce the use of resources. Hence this chapter, drawing on the concept of corporate social responsibility (CSR), focuses on the way the hospitality sector copes with climate change. Its principal aim is to show what international hospitality companies, which are regarded as pioneers of CSR-inspired environmentalism, have done to mitigate the effects of global warming. In doing so, the chapter critically examines innovative measures and instruments introduced by top hotel chains within their CSR programs with an aim of reducing their carbon footprint. It lays emphasis on the practical dimension, highlighting the nature and effectiveness of concrete initiatives, and the issues that arise during the implementation process. The chapter concludes by providing specific managerial-policy guidelines, thereby contributing to the dissemination of best practice, and suggestions for further research.