David MacKay

David MacKay's 2008 book 'Sustainable Energy Without the Hot Air' is drawing fresh attention online. The book, freely available at withouthotair.com, uses straightforward arithmetic to assess Britain's energy options and the realism of renewable targets. Readers are revisiting its no-nonsense quantification of energy consumption and production as energy policy and climate debates heat up again.

'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.