"The 2012 London Olympics must promote healthy food if it wants to be a "green" event, according to a new report.
The Soil Association said the Games could be used to showcase the benefits of local, seasonal and organic food. It could also help to promote sustainable fish consumption.
The report calls on 2012 sponsors Coca-Cola and McDonald's to serve 75% unprocessed, 50% locally sourced and 30% organic food and drink.
Soil Association spokesman Peter Melchett said: "If London is going to be the greenest Games ever, they have to tackle the 30% of our personal carbon footprint which comes from food.
"And if the Olympics want to avoid looking silly in the face of the obesity crisis now affecting most of the world, they must promote
healthy as well as sustainable food."
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