oa Civil Engineering = Siviele Ingenieurswese - The world after 2020



The World Bank estimates that countries of the Middle East and North Africa already consume 20% more water than they receive through rain and river flows, leading to depletion of groundwater supplies. This could get worse with climate change and, according to the United Nations Development Programme (UNDP), 40% of the world's population will suffer water shortages by 2050.


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