Our future is like that of the passengers on a small pleasure boat sailing quietly above the Niagara Falls, not knowing that the engines are about to fail.

Climatologists are all agreed that we'd be lucky to see the end of this century without the world being a totally different place, and being 8 or 9 degrees hotter on average.

Only nuclear power can now halt global warming.

One thing that being a scientist has taught me is that you can never be certain about anything. You never know the truth. You can only approach it and hope to get a bit nearer to it each time. You iterate towards the truth. You don't know it.

Humans are too stupid to prevent climate change from radically impacting on our lives over the coming decades.

There is little evidence that our individual intelligence has improved through recorded history.

One pound of uranium is worth about 3 million pounds worth of coal or oil.