Posey said, "I don't think anybody disputes that the Earth is getting warmer; I think what's not clear is the exact amount of who caused what, and getting to that is, I think, where we're trying to go with this committee."
Posey noted, "There's no disagreement about the planet's rising temperatures; what's unclear is the degree to which human activities are responsible for this change, and it's our goal to clarify this through our investigation."