Argument: Global CO2 trading not like US sulfur trading
- Debate: Carbon emissions trading - con argument.
"The case against carbon trading". Rising Tide - "CO2 IS NOT SO2. The main model for carbon trading is Sulphur Dioxide (SO2) emissions trading under the US 1990 Clean Air Act. This programme faced none of the problems listed above- it was small (a few hundred companies), easy to monitor (one pollutant from one source-power generation), had permanent targets, and, above all, was conducted within one country with strong enforcement mechanisms."