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.

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

It is not thought that the temperature change is the direct cause. It is thought that as the climate changes the way the ocean works, it changes availability of food for young salmon.

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,