There are a number of options for what you can do in terms of what you do with the revenues. Certainly, they could be earmarked for programs to reduce emissions. They could be used to reduce other taxes, including payroll taxes, income taxes, or the GST, or the revenues could also be used to address the negative impacts on low-income households. There are a number of options, but it is important that it be revenue neutral.
On February 6th, 2007. See this statement in context.