UN expert calls for world action to halt desertification
4 Nov 2008

The “silent” crisis of desertification or land degradation if tackled properly can help to address a range of world problems, says a senior United Nations environment expert.
Caused mainly by human activities and climatic variations, desertification puts at risk the health and well-being of 1.2 billion people in more than 100 countries, Luc Gnacadja, executive secretary of the UN Convention to Combat Desertification, said in New York.
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