desertification
பாலைவனமாக்கலை
definition
noun
The problems are global - poverty, air and water pollution, deforestation, desertification , overfishing, climate change - no country can confront these challenges alone.
the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture.
example
This is because trees fight greenhouse emissions, pollution and reduce 'desertification' , droughts, floods and storms.
This puts enormous pressure on the environment, contributing to deforestation and 'desertification' in these countries.
The litany of contemporary change includes global warming, ozone loss, soil erosion, deforestation, 'desertification' , collapsing fisheries, and disappearing aquifers.
The problems are global - poverty, air and water pollution, deforestation, 'desertification' , overfishing, climate change - no country can confront these challenges alone.
Deforestation, 'desertification' and the number of endangered species continue to rise.
In Ghana, a three-day workshop will focus on medicinal plants, conserving fresh water, renewable energy and 'desertification' .
nearly one fifth of the world's land is threatened with 'desertification'
Despite the massive amount of land claimed by expanding 'desertification' each year, the phenomenon receives only infrequent attention, perhaps because the effects seldom seem to transcend international borders.
The UN in 2000 reported that half of all land in South Asia has lost agricultural potential because of 'desertification' .
Agriculture was neglected throughout this period, and 'desertification' gradually reduced arable land.
Where food is scarce, people will often over-exploit the land in order to squeeze out of it what they can; that can lead to deforestation and 'desertification' .
It pays poor rural women to plant trees across the country to protect their farms from soil erosion and 'desertification' .
One root cause of 'desertification' and deforestation is the use of wood as the basic source of energy, with the consequent loss of trees and degradation of the soil.
The rest of the Arab lands are threatened by 'desertification' due to anthropogenic activities including overgrazing.
The burgeoning populations of this area is contributing to its 'desertification' by clearing forest for agriculture as well as for firewood.
Pollution, erosion, 'desertification' , increased rates of extinction and more can all be traced back to us.
Threatened by erosion, 'desertification' , overgrazing and global warming, cedar forests in the Moroccan Middle Atlas Mountains are going through a hard time.
And there's also the risk of serious soil erosion leading to possible 'desertification' .
But there has been no other time in the history of the world when greenhouse gases, airborne methane and mercury, 'desertification' , and deforestation have been around.
Mozambique has experienced recurrent drought, flooding, cyclones, water pollution, and 'desertification' (the process by which land loses its nutrients and becomes desert).
Deforestation and 'desertification' , caused in part by overpopulation, force people off of the hinterlands and into the cities.
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