President Obama has promised $150 billion over ten years to create 5 million new jobs in clean energy. But even with federal support and positive buzz, only a fraction of one percent of the electricity in the United States comes from solar. 

Building a clean energy economy will involve a huge economic reordering tax incentives for clean tech industries, taxing polluting industries, and millions of job losses and gains. If we are to succeed in retrofitting the nation for clean energy, a new generation of workers must be trained to confront the massive technological challenges that lie ahead. But who wins and who loses?