Desertification threat to global stability: UN study
Reuters News Service, June 28, 2007
People displaced by desertification put new strains on natural resources and on other societies nearby and threaten international instability, the 46-page study by the
"There is a chain reaction. It leads to social turmoil," Zafaar Adeel, the study's lead author and head of the U.N. University's International Network on Water, Environment and Health, said.
The study urged governments to work out ways to slow the advance of deserts, from the Sahara to the
"Desertification has emerged as an environmental crisis of global proportions, currently affecting an estimated 100 to 200 million people, and threatening the lives and livelihoods of a much larger number," the study said.
"The loss of soil productivity and the degradation of life-support services provided by nature pose imminent threats to international stability," it said. The report drew on the work of 200 experts from 25 nations.
It said 50 million people were at risk of being forced from their homes by unchecked desertification in the next decade -- equivalent to the population of
"The largest area is probably sub-Saharan Africa, where people are moving to northern Africa or to
"The second area is the former Soviet republics in central
The report urged governments to link up often scattergun efforts by environment, agriculture or economy ministries to fight desertification.
Improved crop and forestry plantings on drylands, which cover more than 40 percent of the world's land area, could slow desertification and also help fight global warming widely blamed on gases released by use of fossil fuels.
Plants absorb carbon dioxide, the main industrial greenhouse gas, as they grow and release it when they are burnt or rot. Carbon markets might even develop financial mechanisms to promote more vegetation in drylands.
"Such plans can work, but can also lead to problems," Adeel said. He said
Eco-tourism could bring jobs to desert regions and help people stay. Even fish farms could be an option, as shown by countries including
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