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Soils are endangered, but the degradation can be rolled back
Tuesday, 2015/12/08 | 07:51:43

Population growth, industrialization and climate change threaten soil health

Figure: A landscape of soil degradation after the floods, Nsanje District, Malawi.

 

FAO 4 December 2015, Rome - The world's soils are rapidly deteriorating due to soil erosion, nutrient depletion, loss of soil organic carbon, soil sealing and other threats, but this trend can be reversed provided countries take the lead in promoting sustainable management practices and the use of appropriate technologies, according to a new UN report released today.

 

The Status of the World's Soil Resources produced by FAO's Intergovernmental Technical Panel on Soils brings together the work of some 200 soil scientists from 60 countries. Its publication coincides with World Soil Day which is celebrated on 4 December and also the end of the UN International Year of Soils 2015 an initiative which has served to raise global awareness on what has been described as "humanity's silent ally".
 

"Let us promote sustainable soil management rooted in proper soil governance and sound investments.  Together, we can promote the cause of soils, a truly solid ground for life," UN Secretary-General Ban Ki-moon said in a message for World Soil Day.
 

Soils are vital for producing nutritious crops and they filter and clean tens of thousands of cubic kilometres of water each year. As a major storehouse for carbon, soils also help regulate emissions of carbon dioxide and other greenhouse gases, thus fundamental for regulating climate.

 

Yet the overwhelming conclusion of the report is that the majority of the world's soil resources are in only fair, poor or very poor condition and that conditions are getting worse in far more cases than they are improving. In particular, 33 percent of land is moderately to highly degraded due to erosion, salinization, compaction, acidification, and chemical pollution of soils.  

 

"Further loss of productive soils would severely damage food production and food security, amplify food-price volatility, and potentially plunge millions of people into hunger and poverty. But the report also offers evidence that this loss of soil resources and functions can be avoided," said FAO Director-General José Graziano da Silva.

Writing the foreword to the 650 page-long report, he expressed the conviction that the contents will "greatly assist in galvanizing action at all levels towards more sustainable soil management," adding that this was in line with the international community's commitment to achieve the Sustainable Development Goals.

 

See more details: http://www.fao.org/news/story/en/item/357059/icode/

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