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Energy efficiency can help facing the climate crises. Yet the energy intensity has decreased more slowly than required to achieve climate goals. Based on this premise, we build an agent-based model to study the effects of different energy efficiency policies. Policies analysed range from indirect policies – taxes, incentives, and subsidies – to direct technological policies, where a public research laboratory invests in R&D to establish a new technological energy efficiency paradigm. Results reveal that, although most of the policies effectively reduce energy intensity, the research lab is the most efficient in promoting energy efficiency without negative impacts on macroeconomic and public finance conditions. However, the success of this policy requires a long-term commitment, highlighting the importance of complementing this strategy with more "ready to use" measures. The findings also indicate that most policies do not induce significant macroeconomic rebound effects. Concerns about macroeconomic rebound effects may likely be overstated. • Improvements in energy efficiency help face the ongoing climate and energy crises. • Yet, energy intensity has declined more slowly than needed to meet climate goals. • The paper builds an agent-based model to study different energy efficiency policies. • Indirect policies work but are outperformed by direct technological policies. • The macroeconomic rebound effect induced by most of the policies is rather small. [ABSTRACT FROM AUTHOR]

Scientific, technological, ethical, and religious issues confronting the human prospect are emerging as we encounter the inevitable shift from fossil to renewable fuels. In particular, we are entering a period of monumental transition with respect to both the forms and use of energy. As for any technological transition of this magnitude, ultimate success will require good ethics and religion, as well as good science and technology. Economic and political issues associated with energy conservation and renewable energies are arising in the context of climate change, sustainability, and human purpose. Specifically, we must consider (1) ethical and religious perspectives which might guide future energy choices and (2) energy choices which, in turn, might challenge ethical and religious perspectives. In this paper, I set the stage for subsequent articles by introducing thermodynamic and theological considerations relevant to our energy future. Scientific and technological aspects are covered within the context of the first and second laws of thermodynamics. Ethical and religious aspects are covered within the context of basic philosophical and theological motifs within our secular culture. My intention is to provide the necessary background, motivation, and perspectives for a fuller discussion of pertinent issues in the remainder of the conference papers. [ABSTRACT FROM AUTHOR]

Abstract: Energy and climate change is a key priority issue mentioned by the Mediterranean Strategy for Sustainable Development (MSSD) which explicitly claims that “Control, reduce or stabilize GhG (Greenhouse Gas) emissions” is a crucial target for Mediterranean countries. This paper uses the integrated assessment model IFs (International Futures) to implement a scenario analysis to investigate the mitigation potential of Mediterranean regions. It analyzes if the Mediterranean regions will be able to reach the MSSD climate change target and recommends amendments of the MSSD to implement with effectiveness climate change policies in the Mediterranean area. [Copyright &y& Elsevier]