Argument: Emissions trading reduces economic costs of global warming

Issue Report: Cap-and-trade versus carbon tax

Evidence: the United States sulfur dioxide cap-and-trade system and its damage control:

The United States sulfure dioxide cap-and-trade system proved very economically beneficial (cost savings). According to the EPA, the benefits of the 1990 amendments exceeded implementation costs by a factor of four, with a maximum estimate of $1.4 trillion.[1]