For decades, Hermann Scheer was one of the world's leading proponents of renewable energy. In this, his last book before his death in 2010, he lays out his vision for a planet 100% powered by renewables and examines the fundamental ethical and economic imperatives for such a shift. And most importantly, he demonstrates why the time for this transition is now. In Scheer's view, talk of "bridging technologies" such as carbon capture and storage or nuclear energy even (and perhaps especially) by environmentalists is actively damaging the more the pressing agenda of the move to 100% renewable...