 The Clean Tech Revolution was published by Collins as a 320 @-@ page hardcover book on June 12 , 2007 . An e @-@ book version was published by <unk> on June 7 , 2007 . In 2008 , a revised paperback edition was published , with a new sub @-@ title : <unk> the Top Trends , Technologies and Companies to Watch . The book has been translated into seven languages . 
