Global Warming : Elizabeth Kolbert

As best as can be determined, the world is now warmer than it has been at any point in the last two millennia, and, if current trends continue, by the end of the century it will likely be hotter than at any point in the last two million years.

Global Warming : Arnold Schwarzenegger

The facts are there that we have created, man has, a self-inflicted wound through global warming.

Global Warming : Tony Blair

Global warming is too serious for the world any longer to ignore its danger or split into opposing factions on it.