George W. Bush Quote
We know the surface temperature of the Earth is warming. It has risen by.6 degrees Celsius over the past 100 years. There was a warming trend from the 1890s to the 1940s, cooling from the 1940s to the 1970s, and then sharply rising temperatures from the 1970s to today.
The George W. Bush Foreign Policy Reader: Presidential Speeches and Commentary (ed. 2005)