Despite the US rejection of the Kyoto Protocol, the meeting of the parties to the UN Framework Convention on Climate Change in July 2001 has increased the likelihood that the Protocol will be ratified. This raises a number of issues concerning mitigation costs, particularly for the buyers and...

Critics of the Intergovernmental Panel on Climate Change's Special Report on Emission Scenarios claim that the use of market exchange rates rather than purchasing power parity has led to a significant upward bias in projections of greenhouse gas emissions, and hence unrealistically high future...