A world of 9 billion people by mid-century will demand fundamental changes in our mindsets, behaviors, cultures, and overarching paradigm. Just as our species broke the Sound Barrier during the 1940s and 1950s, a new breed of innovator, entrepreneur, and investor is lining up to break the Sustainability Barrier. In this book, John Elkington introduces the Zeronauts - a new breed of innovator, determined to drive problems such as carbon, waste,...