James Hansen Photo: PA From The Telegraph:
The Copenhagen Summit: Could a new nuclear fusion process allow us to escape the whole carbon trap?
'It's time to stop waffling so much and say that the evidence is pretty strong that the greenhouse effect is here." With that warning to the US Congress in June 1988, the Nasa climatologist James Hansen focused the minds of politicians on a danger that, until then, many of them had treated with scepticism.
A few days later came the first international conference to discuss man's impact on the Earth's climate, in Toronto, to which I had been packed off by The Daily Telegraph's then editor. I watched as scientists tried to persuade government representatives, legal experts, economists and industrialists that the time had come to take the threat seriously.
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