The Arizona Senator also took the opportunity to swipe at President Bush, who questioned the scientific basis of human-caused climate change through much of his first term, and has consistently opposed any emissions caps.
As president, I will have to deal with the same set of facts. I will not shirk the mantle of leadership that the United States bears. I will not permit eight long years to pass without serious action on serious challenges. I will not accept the same dead-end of failed diplomacy that claimed Kyoto. The United States will lead and will lead with a different approach – an approach that speaks to the interests and obligations of every nation.
Both Hilary Clinton and Barack Obama also propose cap-and-trade systems (as opposed to the carbon tax advocated by Al Gore and others). But McCain's proposal would cut emissions by only 60 percent below 1990 levels by 2025; whereas Clinton and Obama propose cutting emissions by 80 percent over the same period. Bush has called only for emissions to stabilize by 2025.