You may have to register before you can download all our books and magazines, click the sign up button below to create a free account.
A three-year project-based course for young learners with a sound grammatical framework.
Introduction : why agroecology? -- The scientific principles of agroecology -- The scientific evidence for agroecology : can it feed the world? -- Scaling up agroecology : social process and organization -- The politics of agroecology -- Conclusions : conform or transform?
The most comprehensive book ever written on leatherback sea turtles. Weighing as much as 2,000 pounds and reaching lengths of over seven feet, leatherback turtles are the world’s largest reptile. These unusual sea turtles have a thick, pliable shell that helps them to withstand great depths—they can swim more than one thousand meters below the surface in search of food. And what food source sustains these goliaths? Their diet consists almost exclusively of jellyfish, a meal they crisscross the oceans to find. Leatherbacks have been declining in recent decades, and some predict they will be gone by the end of this century. Why? Because of two primary factors: human redevelopment of nestin...
Based on archival research, this study of Pancho Villa aims to separate myth from history. It looks at Villa's early life as an outlaw and his emergence as a national leader, and at the special considerations that transformed the state of Chihuahua into a leading centre of revolution.
An analysis of the issues raised concerning both sustainability and governance and an investigation of approaches taken to dealing with these issues. The research has been developed by experts from around the world who each look at different issues in different contexts.
Los pueblos indígenas que habitaron y habitan las tierras americanas viven en sus creaciones y estas, a su vez, viven en sus creadores y comunidades. A través de ellas podemos acercarnos a mundos diversos en los cuales se relacionan e integran su territorio, su espiritualidad, sus principios fundamentales para la permanencia de la vida, sus modos de pensamiento, sus conocimientos ancestrales y sus prácticas culturales. Para profundizar en estos procesos, este libro reúne quince trabajos realizados por distintos conocedores que se han acercado a los mundos de creación de los pueblos indígenas americanos. Todas estas aproximaciones nos permiten percibir las diversas relaciones existentes...