Here are a couple of other references that add to the debate in question..
U.S. Senate Committee on Environment and Public Works ABC News: 'Schwarzenator' vs. Bush: Global Warming Debate Heats Up
If we can somehow infer certainty to this matter I haven/t seen any convincing evidence to buttress that contention?. There has been little contra evidence produced in the press which has the biggest audience. There has been no convincing proof tha human caused emissions are a major factor in the warming trend the earth has expericed since the last ice age? What Iv'e seen in the way of conclusions is usually qualified by the accompany language. Too much, "might", "could", "may" type stuff?
The first article answere Pooeys continual cry for some scientists who disagree with the human caused theory..here they are!