The economic and land use consequences of US biofuel programs and their contributions to GHG emissions have been the focal point of many debates and research studies in recent years. However, most of these studies focused on the land use emissions due to the first generation of biofuels such as corn ethanol, sugarcane ethanol, and biodiesel (e.g. [1, 2] [3, 4]). A quick literature review indicates that only a few attempts have been made to estimate these emissions for the second generation of biofuels which convert cellulosic materials into liquid fuels. Gurgel et al.
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Library ResourceDocuments et rapports de conférencedécembre, 2011Brésil, États-Unis d'Amérique, Chine, Global
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Library ResourceDocuments et rapports de conférencejuillet, 2008États-Unis d'Amérique, Brésil
Este trabalho analisa o preço da terra no período 1975 a 2006, mas ocupa-seprincipalmente com o período mais recente, de 2000 a 2006. Para que o leitor tenha umamelhor dimensão dos preços de terras no Brasil, comparações serão realizadas com ospreços de terras nos Estados Unidos em anos recentes.
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Library ResourceDocuments et rapports de conférencedécembre, 2010Brésil, États-Unis d'Amérique, Argentine, Europe
Even though recent discussions on food prices and indirect land use change point atpotential conflicts associated with the production of biofuels the appraisal of biofuels as an effective instrument to slow down climate change and reduce energy dependency still prevails. The EU Renewable Energy Directive (EUROPEAN COMMISSION, 2009) underlines this trend by setting a target of 10% share of energy from renewable sources in the transport sector by 2020.
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