These satellites really get to the fundamental uncertainty regarding our predictions for climate change over the next century.

I definitely wouldn't want people to use climate to take humans off the hook. But climate change is a regulator in the population cycle going up and down.

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,