Introduction

This introduction presents an overview of key concepts discussed in the sub sequent chapters of this book. The book provides a non-technical overview of consensus on the basic science of climate change. It examines the prospects for agriculture in a changing climate, summarizing extensive evidence that modern agriculture is already under severe threat from the very same methods that have dramatically raised yields as well as water and energy requirements over the past 50 years. The book looks at the links between economic growth, well-being and the environment. It argues that the ethical principles of justice provide an essential foundation for policies to protect unborn generations and the poorest countries from climate change, though this aspect has been neglected by many economists. The book evaluates existing and proposed mechanisms as a means to reduce global emissions. It reviews the economic instruments and incentives for reducing greenhouse gas (GHG) emissions.