Humankind’s steady migration from fields to cities may have to take a slight detour. There are a lot of people in the world now and feeding them is becoming a problem. U.N. Secretary General Ban Ki-moon told world leaders we face a “historic opportunity to revitalize agriculture,” warning that production would have to go up by 50 percent over the next 20 or so years.


BBC:

Mr Ban told a UN-sponsored summit in Rome that food production would have to rise by 50% by 2030 to meet demand.

Mr Ban said export restrictions and import tariffs ought to be minimised to alleviate the crisis.

The summit comes as food costs have reached a 30-year high in real terms, causing riots in several countries.

The host of the conference — the UN’s Food and Agriculture Organisation (FAO) — has warned the industrialised countries that unless they increase yields, eliminate barriers and move food to where it is needed most, a global catastrophe could result.

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