Responding to the immediate challenge of how we sustainably intensify the production of food, fuel and fiber to meet future demand without the further degradation of our finite land resource base, Land Degradation Neutrality (LDN), which emerged from the UN Conference on Sustainable Development (Rio+20) in 2012, is a potential target to address this challenge.
The economic dimension of desertification, land degradation and drought (DLDD) is increasingly gaining importance.
For this reason, the UNCCD has launched an initiative to help make the economic side of desertification, land degradation and drought (DLDD) an integral part of policy strategies and decision-making. An important step in this direction was the Partnership meeting on the Assessment of the »Economics of Desertification, Land Degradation and Drought« ( EDLDD), held December 14 – 15, 2010.
More than two billion people depend on the world’s arid and semi-arid lands. Preventing land degradation and supporting sustainable development in drylands has major implications for food security, climate change and human settlement. This report, issued at the beginning of the United Nations Decade for Deserts and the Fight against Desertification, sets out a shared strategy by UN agencies to rise to the challenge of addressing the special needs of these vital zones.
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.
Asia and the Pacific, for the purposes of this book, encompasses a vast territory extending from Mongolia in the north to New Zealand in the south; from the Cook Islands in the east to Kuwait in the west (Map 1). The environmental diversity of Asia and the Pacific is therefore vast, and is contrasted by the region’s coldest and hottest deserts, verdant tropical rainforests, extensive steppe, desert steppe, grassland and rangelands, mountains and plains.
Dryland mountains are among the least-known environments in the world, and certainly one of the most overlooked by decision- and policy-makers.
Dryland mountains have an outstanding strategic value. They act as water towers for surrounding dry lowland areas, as shown by the examples of the Rocky Mountains of North America, the Central Andes, the mountains of the Mediterranean Basin, the Sahara and Sub-Saharan Africa, West Asia, and Central Asia
Esta cita subraya un fenómeno que los agricultures, particularmente los de las áreas secas marginadas, llevan años experimentando: la amenaza de la desertificación y el cambio climático para sus vidas. El secuestro de carbono, sin embargo, tiene una doble utilidad para revertir esta amenaza: en primer lugar, el calentamiento global puede ser mitigado significativamente mediante la eliminación del dióxido de carbono de la atmósfera y su secuestro en el suelo; en segundo lugar, el aumento de carbono en el suelo tiene un gran valor como activo para la producción de alimento.
Ce message pessimiste met en évidence un phénomène que les agriculteurs des zones arides marginales connaissent depuis des années, là où la désertification et le changement climatique sont une menace concrète. La séquestration du carbone peut cependant être un moyen de lutte efficace : d’une part, elle permet d'atténuer de façon significative le réchauffement planétaire en transférant dans les sols le CO2 atmosphérique ; d'autre part, le carbone ainsi stocké dans le sol constitue une ressource importante des processus de production alimentaire.
The message in this short, yet stark sentence highlights a phenomenon that farmers, particularly in marginalized dryland areas, have been experiencing for years – the threat of desertification and climate change to their lives. Carbon sequestration, however, serves a dual purpose to remedy this threat. Firstly, global warming can be mitigated significantly by removing atmospheric carbon dioxide and sequestering it in soil. Secondly, increased carbon in the soil has great value as a food-producing asset.
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.
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