Dick Cheney famously warned in the context of terrorism that if there is even a one per cent of something very bad happening, we should act as though it were a certainty. Since the odds are approaching 100 per cent that if humankind continues to pump greenhouse gases into the atmosphere, it will alter the planet in ways that no one can predict, Cheney’s rule should make him, on the subject of climate change, a soulmate of Al Gore.

Strobe Talbott, President of the Brookings Institution, writing in the Financial Times, January 5/6, 2008.