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Nachhaltigkeit: Was ist bisher konkret geschehen, was hat sich geändert und wie wird unser Leben, unsere Welt in der Zukunft aussehen …Die Frage des Untertitels nach der "Welt im Jahr 2050" war im März 2010 Thema eines Kolloquiums des "Forums für …
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This paper analyzes a dual economy consisting of urban market areas and less developed rural areas with or without local markets. Urban areas have better opportunities for earnings and education than rural areas. Rural families choose whether to move to urban areas at costs that differ from...
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Africa's population is expected to almost quadruple by 2100, from about 1.19 billion in 2015 to 4.39 billion. It will … thus account for 39.12 per cent of the world's population by 2100, against 16.14 per cent in 2015. The continent remains …, compared to around 42 percent globally. While most other regions are experiencing population ageing, Africa is not. Therefore …
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