David MacKay

David MacKay's 2008 book 'Sustainable Energy Without the Hot Air', a free online guide that quantifies Britain's energy options without spin, is recirculating online and drawing fresh attention. Readers continue to praise its clear, numbers-first approach to weighing renewable energy, nuclear power and consumption against practical supply limits.

'Without the Hot Air' refers to David MacKay's well-known book 'Sustainable Energy – Without the Hot Air', which is freely available at withouthotair.com. The site provides free access to the book's analysis of energy consumption and renewable energy potential in Britain, with clear numbers rather than rhetoric. It is drawing renewed attention online, with readers sharing and discussing the resource.