This book provides a comprehensive analysis of climate change science and policies. As well as summarising the science, it analyses the skeptical arguments and describes why these are probably wrong. The book compares alternative emissions trading, carbon tax and direct-action policies primarily as proposed in Australia, but also in the USA. The book describes why carbon pricing approaches such as emissions trading or a carbon tax might not work. Current emission reduction targets are not thought to give us a 50% change of avoiding very dangerous levels of climate change. The book proposes a...