The group also said food waste also impacts land, energy and water use.

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The biggest potential risks following an earthquake center around clean water, safe food, shelter, and disposal of waste.

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The festival raises money for Greenpeace, Oxfam and Water Aid, while Mr Eavis' other green measures include recycling food waste on the working dairy farm, meaning he has not needed to use chemical fertilisers for almost 40 years.

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These include agriculture and livestock, aquaculture and fisheries, chemicals, energy, food, forestry, health, information and communication, mining, tourism, waste, and water.

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