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Earth as a Desert. How Come?

On the 17th of May there is yearly kept the Day of Struggle Against Desertisation and Draughts. This event was announces byt the OUN in 1995. The date was chosen according with the ratification of OUN Convention on 17 of June, 1994. 

The Convention states that desertisation is "degradation of ground in regions of drought, in dry and sei-dry regions resulting from influence of various factors, including climate change and human impact". Ground loses its ability to maintain humidity, level of ground water is diminishing, vegetation is decreasing or totally disappears. Desertisation leads to infertolity of ground due to ground erosion. Flora and fauna can't adjust to changing conditions and perish. Bare ground gets hot so that humidity can't condense into clouds and therefore no life-giving precipitations occur.

 

 

According to the OUN data, at present dry lands make 30% of the territory. If prognosis of the OUN comes true (considering the current tempo of desertisation), by 2025 each fifth inhabitant of the Earth will live in the territory which is subject to drought. Desertisation aggravates economical, social and ecological problems such as povery, biodiversity loss, fresh water lacking, decrease of resilience to climate change, forced migration.  

Therefore, desertisation is the current ecological problem of the whole mankind. If we do not take pertinent measures, there comes the hazard of desertisation of all continents and life will be no longer possible on the planet. The more intense is agricultural and trading activity, the faster desertisation occurs. Thus the efforts of humans should be directed to compensation of negative consequences of desertisation, struggling with erosions and conservation of biodiversity on the planet.