The United Nations Food and Agriculture Organization says using more energy from wood could cut greenhouse gases and reduce poverty.
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More than 2,000 delegates from around the world have gathered in the Spanish capital to discuss ways to stop desertification, or the process that turns arable land into unusable desert.
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Drylands, where 38 percent of the world's population lives, can be protected from the irreversible damage of desertification if local residents and managers at all levels would follow basic sustainability principles, according to a panel of experts writing in the May 11 issue of the journal Science.
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The pre-Saharan region of Jeffara, located in the South-East of Tunisia, is particularly exposed to the risk of desertification, like most of the arid or semi-arid regions of the Mediterranean Rim. It is also prey to deep socio-economic changes. This situation raises the major challenge of ensuring the balance between protection of the various ecosystems and the development of rural populations who live in them.
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