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A sustainable global food system in the 21st Century needs to be built on a series of "new fundamentals", according to a leading food expert.
Tim Lang warned that the current system, designed in the 1940s, was showing "structural failures", such as "astronomic" environmental costs.
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The UK's Environment Secretary, Hilary Benn, recently set up a Council of Food Policy Advisers in order to address the growing concern of food security and rising prices.
Mr Benn, speaking at the council's launch, warned: "Global food production will need to double just to meet demand.
"We have the knowledge and the technology to do this, as things stand, but the perfect storm of climate change, environmental degradation and water and oil scarcity, threatens our ability to succeed."
Professor Lang, who is a member of the council, offered a suggestion: "We are going to have to get biodiversity into gardens and fields, and then eat it.
"We have to do this rather than saying that biodiversity is what is on the edge of the field or just outside my garden."
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...people, especially in the UK, to reconnect with their food. ....
We all know that waste is everywhere; it is immoral what is happening in the world of food.
"In Europe, 30% of the food grown did not appear on the shelves of the retailers because it was a funny shape or odd colour.
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Professor Lang outlined the challenges facing the global food supply system: "The 21st Century is going to have to produce a new diet for people, more sustainably, and in a way that feeds more people more equitably using less land."
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http://news.bbc.co.uk/2/hi/science/nature/7795652.stm