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La visión prístina de la naturaleza por parte de la sociedad occidental fue la principal responsable de la creación de las áreas protegidas. Las actividades recreativas en estas áreas refuerzan este sentido y no consideran posibilidades más amplias de relación con la sociedad y la naturaleza. Las premisas son el mantenimiento del patrimonio con un enfoque conservacionista. Este documento revisa esta visión y discute la recreación al aire libre en áreas protegidas, siguiendo los principios de la Interpretación Ambiental. Presentamos un guión de interpretación ambiental en un sendero del Parque Natural Ilha da Usina, en la ciudad de Salto, Brasil. Se realizó un inventario de sitios e información sobre los elementos relacionales a lo largo del sendero. Los resultados indican la importancia de los principios de la Interpretación Ambiental en la organización de las áreas de recreación y la necesidad de su monitoreo constante.

Brazil and Canada have two of the biggest protected area systems in the world, both of them based in the protected areas model established by the USA in the XIX century. However, they have distinct policies when it comes to public use and ecotourism inside those areas. Canadian guidelines have a greater focus on leisure and recreation activities, in a more permissive use of its resources with activities geared to large scale tourism. On the other hand, Brazil has a focus more limited on low-impact activities with a strong component of environmental education and restrictions of activities within its protected areas. From that approach, this article analyzes the Brazilian and the Canadian public policies for public use development inside protected areas and how they address the three main aspects of ecotourism: environmental conservation, environmental awareness of visitors and involvement of local community.

This paper intends to analyze the existing contractions in the incentive of Brazilian federal public power to the food production and to the production of biodiesel to the space of Bahia’s State dry lands. For that, the effects of the National Program of Production and Use of Biodiesel (PNPB) and the Brazilian Program of Food Acquisition (PAA) to the territorial formation of the Morro do Chapéu (BA) city was analyzed, specially, during the period between 2007 and 2012. The paper is based on the oral history methodology made through a series of interviews with family farmers that participated of the activities of both programs. The rising of employment and familiar incomes of family farmers and the intensification of technical basis in localities of the municipality are some results of the federal public action and the local productive and social organization. However, series of evidences present the challenges to the public programs development and to development of family farm in Brazil.