Growing
Up
According to UN statistics, by the year 2050,
the population of planet Earth will have risen to over 9 billion and feeding
all these people will require extra farmland the size of Brazil. The scientists
offer the idea of vertical farming.
Vertical farms are a good idea because they
don`t take up as much space as traditional farms. That is why, they may be a
solution to growing enough food for an increasing population with a lack of
farmland. They can be built in cities to allow people to have access to local
produce and therefore reduce transport costs. This idea is also environmentally
friendly as the farmswill be powered by solar, wind energy and will grow a
variety of fruit and vegetables in a solution of nutrients and water. The walls
will be made of glass to allow in sunlight. The scientists point out that just
one 30-storey building would provide food for 10 000 people.
However, the idea isn`t without its problems.
Crops nearer the glass would get more light. That means they would grow quicker
than crops farther away. Possible solutions include having a permanent light
source on every floor like the ones we now have in industrial greenhouses.
All in all, mankind remembers the stories of
The Hanging Gardens of Babylon. There were the structures with lush green
gardens on different levels many metres high. These are long gone, but the
situation in our modern consumer society isn`t good enough. The population
rises and food prices soar. So,it`s a good idea to let a
modern-day equivalent of these gardens spring up.
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