Read this quote carefully, and think about the message that President Bush is portraying. quote:

There is a natural greenhouse effect that contributes to warming. . . . Concentration of greenhouse gases, especially CO2, have increased substantially since the beginning of the industrial revolution. And the National Academy of Sciences indicate that the increase is due in large part to human activity

Yet, the Academy's report tells us that we do not know how much effect natural fluctuations in climate may have had on warming.

– President George W. Bush

2001

This quote shows that:

President Bush rejected the idea of climate change

President Bush accepted the idea of climate change.

President Bush acknowledged that there is disagreement over climate change.