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 How can tomorrow's challenges be met by today's buildings?
With an ever-growing population, keeping food supply up to match the demand is becoming an increasingly hard problem to solve. In many cases, especially in less economically developed countries, we are failing at this task, so innovation is needed to help feed the people of tomorrow.
A perhaps unorthodox way of feeding people efficiently is by building differently. If rooftops were used to grow food, then a whole lot more space opens up to feed our population.
Especially on skyscrapers and tower blocks, or even small apartment blocks, the roofs can often go unused, and by using them to grow food, they are being utilised much better. Many buildings lose heat through the roof, as heat rises, and any crops would also get a lot of direct sunlight with nothing blocking it.
Rooftops are ideal for growing a wide variety of crops, and this could help solve tomorrow's inevitable food problem.
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