books.google.com - In Energy at the Crossroads, Vaclav Smil considers the twenty-first century's crucial question: how to reconcile the modern world's unceasing demand for energy with the absolute necessity to preserve the integrity of the biosphere. With this book he offers a comprehensive, accessible guide to today's...http://books.google.com/books/about/Energy_At_The_Crossroads.html?id=2UM6KSEMoLUC&utm_source=gb-gplus-shareEnergy At The Crossroads