Nuclear disasters, petroleum wars, climate change, and dwindling natural resources: we've nearly reached the point of no return unless we can find ways to meet energy demands without threatening the survival of the planet. Hubert Canaval takes us on a tour of the world of energy to discover alternatives to petroleum and conserve the remaining oil reserves, to debunk the myths about the real environmental impact of renewable energy sources, and to examine radical solutions that are still impracticable with today's technologies.