Los desafíos y retos que supone la escasez de agua para las poblaciones de las tierras secas se van a ver incrementados tanto en magnitud como en alcance. Dado que la población mundial es ya superior a los 6.000 millones de personas, algunos países han superado los límites de sus recursos acuíferos. Con el escenario actual de cambio climático, casi la mitad de la población mundial habitará áreas con grandes problemas de agua antes del 2030, lo que incluye a una población de entre 75 y 250 millones de personas en África.
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Library ResourceReports & ResearchJanuary, 2012Global
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Library ResourcePolicy Papers & BriefsJanuary, 2012Global
The challenges and threats of water scarcity to dryland populations are set to increase in magnitude and scope. As the world’s population has swollen to well over 6 billion people, some countries have already reached the limits of their water resources. With the existing climate change scenario, almost half the world’s population will be living in areas of high water stress by 2030, including between 75 million and 250 million people in Africa. In addition, water scarcity in some arid and semi-arid places will displace between 24 million and 700 million people (WWDR 2009).
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Library Resource
Irrigation and water in Usangu – A case study
Reports & ResearchJanuary, 2012TanzaniaStudy map irrigation sytems and water usage in Usagu for SAGCOT projects
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