Not only could climate change have an affect on the price of cheap energy, it could also result in hardship for those in need of inexpensive food.
This is the view of the Centre for Alternative Technology, whose spokeswoman said: "Climate change will lead to unpredictable and changing weather patterns such as higher temperatures, droughts and flooding.
"All of this will affect harvests across the world, leading to food shortages," she argued.
The representative pointed to the hot summer of 1972, which in south-east Ukraine and south-west Russia led to temperatures rising by between 2C and 4C, resulting in a 13 per cent reduction in crop yields.
"The disruption affected the global cereal market for two years," she added.
Last year, the Department of Energy and Climate Change published figures showing the impact of climate change could see domestic energy prices rise by 18 per cent for gas and 33 per cent for electricity by 2020.
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