International policy and decision makers now recognize that the link between environmental change and migration has grave consequences for human security. The paradigm of security has shifted away from purely state-centered models to a model that encompasses the greater idea of human development as freedom. The new model implies greater international awareness of the importance of sustainable development for all people – including an intact environment and the ability of all people to enjoy good health and respectable work.

Les acteurs politiques et décideurs internationaux reconnaissent à présent que le lien entre changement climatique et migration a de graves conséquences sur la sécurité humaine. Le paradigme sécuritaire s’est déplacé, passant de modèles purement centrés sur l’état à un modèle englobant cette grande idée du développement humain qu’est la liberté.

Aquellos que formulan políticas y decisiones internacionales reconocen que la relación entre el cambio medioambiental y la migración tiene graves consecuencias para la seguridad humana. El paradigma de la seguridad se ha alejado de los modelos centrados exclusivamente en el Estado para acercase a un patrón que contempla una idea más amplia: la del desarrollo humano como modelo de libertad.

As the world reviews its progress in tackling global poverty and achieving the Millennium Development Goals (MDGs), drylands can no longer be ignored. Drylands account for more than a third of the world’s land surface and more than 2 billion of its people. Yet for too long, drylands and their inhabitants have been neglected in development processes.

Here, more than 100 years of incumbency reports on officers of the irrigation bureaucracy of Punjab, Pakistan, are presented and analyzed. The data highlight how representation changed before and after partition within the irrigation bureaucracy. The data show that the irrigation bureaucracy increased through staffing its representation of local communities and is in its appointments responsive to elected representatives. Therefore, it is argued that empowerment of the local community can be achieved without irrigation management transfer but through the irrigation bureaucracy itself.

Presents an overview of population and land use characteristics of the Kurmin Biri, Abet and Ganawwi areas, all in the subhumid zone of Nigeria, with particular reference to ethnic composition, human & cattle population, cultivation densities and extent of fallow land.

Human activities have resulted in unprecedented phenomena and severe impacts for the 21st century such as land degradation, natural resources scarcity, climate change, and a rapid decline in biodiversity. These alterations engender secondary effects such as political conflicts, disputes over resources, social disruptions and sudden shocks of catastrophic weather events which are becoming more frequent in critical regions of the world, particularly in drylands; and exacerbate threats for human, national and international security.

En la no tan larga historia de la Humanidad, nuestros antepasados han luchado con demasiada frecuencia por la tierra y el agua. Aquellos tiempos están nuevamente de actualidad.

The drylands of Africa, exclusive of hyper-arid zones, occupy about 43 per cent of the continent, and are home to a rapidly growing population that currently stands at about 325 million people. Dry zones, inclusive of hyper-arid lands, cover over 70 per cent of the continent’s terrestrial surface. Outside of the cities many dryland inhabitants are either pastoralists, sedentary or nomadic, or agro-pastoralists, combining livestock-rearing and crop production where conditions allow.