The Africa of the very near future is plagued by multiple problems. Desertification and global warming are some of the biggest, which are further exacerbated by rapid urbanization. This spontaneous migration of people from rural areas in countries that have no urbanization policies in place, means resources will be stretched to the maximum. Where will all the food to feed these people come from?

Try and imagine growing food in tall buildings with a self-contained climate powered by renewable energy. A radical idea yes - but one that would address the need for arable land and year-round supply of food. These towering greenhouses immune to weather and pests might very well be the source of nutrition for generations of the future!

While I feel that this fantastic future 'might' be a pipe dream for now, our grandchildren might be forced to effectuate it by inevitable circumstances.

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