The U.S. is taking action to meet environmental challenges, including global climate change, ... Shame on Bush.

The president wants responsible action on global climate change, and he is ready to take responsible action.

You couldn't necessarily say, 'That hurricane, that storm, that flood only happened because of climate change,' (but) you're starting to see a pattern of extreme weather events.

Bush agreed in Gleneagles that climate change was urgent.

Climate change is, in my view, long term, the single biggest issue that we face,

That's a serious wedge, and shows a political climate change,