From the BBC:
The naturalist Sir David Attenborough has said climate change is humanity's greatest threat in thousands of years. The broadcaster said it could lead to the collapse of civilisations and the extinction of "much of the natural world".
He's right, but for the wrong reasons.
It appears that we are teetering towards the next Ice Age (h/t paulc156). When that starts - in a few centuries or a few millennia - the outcome will be far, far worse (for mankind) than anything that the Warmenists have dreamed up:
Debate Magazine
