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Copyright of Revista Brasileira de Estudos Politicos is the property of Universidade Federal de Minas Gerais (Revista Brasileira de Estudos Politicos) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista em Agronegócio e Meio Ambiente is the property of Revista em Agronegocio e Meio Ambiente and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

This paper analyzed, for the Brazilian case, the Clean Development Mechanism (CDM). The concept of negative externality and market failure was used to understand the need for environmental policies capable of favoring the sustainable development of countries. The results show the importance of scale for the registration of projects. The energy sector, for example, has more small-scale projects that were created to simplify procedures and lower costs. It was concluded, in general, that the CDM has become an international historical landmark, as it is an innovative tool in contributing to the mitigation of climate change. However, despite its importance being recognized globally, it was observed that the mechanism has weakened over time and there are uncertainties regarding the validity of the Kyoto Protocol. [ABSTRACT FROM AUTHOR]

The dissemination of tourism is a recent phenomenon that became particularly important in the 1960s and the systematic study of its relation to climate is even more recent. When included in the theoretical approaches to tourism motivation the climate, seen as an asset or service, becomes a resource that can be evaluated. This paper looks into various attempts to quantify the "climate resource" in the determination of the tourism potential of a given region and summarizes the importance of climate on tourists' motivation. Tourism is one of the economic sectors where climate change is expected to have a substantial impact due to climate alterations in tourist locations. Conversely, tourism activities contribute to intensify climate changes due to an increase in greenhouse gas emissions. The second part of this paper addresses the possible interactions between climate change and tourism, as well as possible mitigation and adaptation measures. [ABSTRACT FROM AUTHOR]