Climate change is such a huge issue that it requires strong, concerted, consistent and enduring action by governments.

Once you start to look into the guts of climate change you find that just about every scientific institution in the world is conducting research on the issue.

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

And given that there's been probably a ten-fold amount of information about terrorism through the media than there has about climate change; I think that's quite an interesting statistic.

The measurements show long-term trends. Glaciers react to climate change, and warmer temperatures in the Alps are reflected in the results.

If we let climate change run its course, this could be a fairly typical winter 30 or 40 years from now.