By the year 2050, nearly 80% of the earth’s population will reside in urban centers. Applying the most conservative estimates to current demographic trends, the human population will increase by about 3 billion people during the interim.
An estimated 109 hectares of new land will be needed to grow enough food to feed them, if traditional farming practices continue as they are practiced today.
This particular skyscraper consists of platforms of grass fields where cows will be free. After 30 days they will rotate to the next level. At this point other animals like chickens will use the previous field until its grass has grown again.
At present, throughout the world, over 80% of the land that is suitable for raising crops is in use. Historically, some 15% of that has been laid waste by poor management practices. What can be done to avoid this impending disaster?
via evolo
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