By Christopher Booker, UK Telegraph
What is the link between a beautiful stretch of north Devon countryside, the brother of Diana, Princess of Wales, and that ever more curious body, the United Nations Intergovernmental Panel on Climate Change? The starting point for teasing out this riddle is a hefty new report just published by the IPCC on renewable energy. This has engulfed the IPCC in controversy yet again, after a preview of the report made headlines by claiming that, within 40 years, nearly 80 per cent of the world's energy needs could be met from renewable sources, most notably through a massive expansion of wind and solar power.