The paper looks at the global environment as a public good and as a sink for CO2-emissions. It discusses problems to be solved in institutional arrangements to protect global environmental media and looks at criteria for allocating the costs of emission reduction and emission rights. It analyzes...

That climate policies are costly is evident and therefore often creates major fears. But the alternative (no action) also has a cost. Mitigation costs and damages incurred depend on what the climate policies are; moreover, they are substitutes. This brings climate policies naturally in the realm...