06/06/2006
https://www.presidency.ucsb.edu...
"My Administration is committed to cutting our Nation's greenhouse gas intensity…by 18 percent over the next 10 years."
"There is a natural greenhouse effect that contributes to warming…And the National Academy of Sciences indicates that the increase is due in large part to human activity."
"I proposed the National Parks Centennial Initiative to put America's national parks on track for another century of conservation, preservation, and enjoyment."
"The National Parks Centennial Initiative will enhance our national parks during the decade leading up to their 100th anniversary in 2016."