Questions surrounding the issue of climate change are evolving from "is it happening?" to what can be done about it?". The primary obstacles to addressing it at this point are not scientific but political and economic; nonetheless a quick resolution is unlikely. Ignorance and confusion surrounding the issue - including lack of understanding of climate science, its implications for the environment and society, and the range of policy options available - contributes to the political morass over dealing with climate change in which we find ourselves. This text addresses that situation by bringing together a wide range of writings that examine the many dimensions of the topics most important in understanding climate change and policies to consider it. The chapters consider: climate science in historical perspective; analysis of uncertainties in climate science and policy; the economics of climate policy; north-south and intergenerational equity issues; the role of business and industry in climate solutions; and policy mechanisms including joint implementation, emissions trading, and the so-called clean development mechanism.