This 10th-anniversary edition features a new Introduction by Amory B Lovins and Paul Hawken which updates the story to include the successes of the last decade. It clearly sets out the path that we must now take to ensure the future prosperity of our civilisation and our planet.

Amory B Lovins and L Hunter Lovins are co-Chief Executive Officers of Rocky Mountain Institute which they co-founded in 1982 in Colorado, USA. Physicist Amory Lovins is a MacArthur Fellow and the recipient of the Onassis Prize, the Heinz Award and six honorary doctorates, having been perhaps the youngest Oxford don in recent centuries. Hunter Lovins is a sociologist, political scientitst and barrister. Their pioneering technical, economic and policy work has been enormously influential in the energy, construction and car manufacturing industries. Consultants to scores of companies worldwide, they are co-authors of the best-selling Factor Four: Doubling Wealth, Halving Resource Use (with Ernst von Weizsacker) and of 25 previous books.