02/19/2008
https://www.presidency.ucsb.edu...
"The sky is clear—and we intend to keep it that way."
"This is a system, cap-and-trade, with built-in incentives."
"We're proving it here in America."
"Our goal over the next 15 years is to reduce sulfur dioxide emissions by 73 percent, nitrogen oxide emissions by 67 percent, and to have mandatory limits on mercury emissions, cutting those emissions ..."