My copy of Rebel-in-Chief just arrived, and I can now quote you exactly what the book says about Bush's views on global warming, and his meeting with Michael Crichton. From p. 22-23:
The president later provoked worldwide protests when he formally withdrew the United States from the Kyoto global warming treaty. The environmental lobby in this country fumed, but Bush didn't flinch. The treaty had never been ratified and stood little chance of winning Senate approval. Though he didn't say so publicly, Bush is a dissenter on the theory of global warming. To the extent it's a problem, Bush believes it can be solved by technology. He avidly read Michael Crichton's 2004 novel State of Fear, whose villain falsifies scientific studies to justify draconian steps to curb global warming. Crichton himself has studied the issue extensively and concluded that global warming is an unproven theory and that the threat is ...