Effective policies to prevent global warming and climatic change are urgently required by the world community. However international negotiations on this issue repeatedly come up against the problems of allocating responsibility for the greenhouse effect and bearing the costs of remedying the situation.;This volume offers a multidisciplinary response to the challenge. It presents the scientific economic and political issues and goes on to describe the policy options available. The different ways of determining responsibility for greenhouse gases and calculating obligations to pay for hazards to the environment are analyzed. The contributors examine the implications for various countries while a concluding chapter explores climatic change negotations - what is at stake and for whom.