MILAN - The ravages from half a century of intensive farming must give way to a more sustainable approach if farmers are to feed the world in 2050, the United Nations' Food and Agriculture Organisation (FAO) said on Monday.
Global farm output must increase 70 percent, including a nearly 100 percent jump in developing countries, to feed the world in 2050, the FAO said.
At the same time, farmers must conserve resources and protect environment, said the FAO, which expects the world's population to rise to about 9.2 billion in 2050 from 6.9 billion in 2010.
Climate change and growing competition for land, water and energy with industries mean agriculture can no longer rely only on intensive crop production.
That approach has caused land degradation, excessive water use, pest resistance and other problems in many countries, the FAO said in its Save and Grow report.
"It is also clear that current food production and distribution systems are failing to feed the world," it said pointing that the total number of undernourished people in 2010 was estimated at 925 million, higher that it was 40 year ago.
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