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BBC TwoNewsnight
Last Updated: Friday, 2 February 2007, 17:56 GMT
Friday 2 February, 2007
By Liz Gibbons
Programme producer, BBC Newsnight

Chimneys at sunset

Presented by Gavin Esler

IPCC

We will be devoting all of tonight's programme to the impact we're all making on the planet. The most authoritative study of global warming from the UN's Intergovernmental Panel on climate change has published the conclusions of a six year study today. And the thousands of scientists behind it are remarkably united. They conclude - with more than 90% certainty - that human activity is causing the earth to heat up. The "best estimate" according to the report, is that the earth will warm between 1.8 and 4 degrees celsius by the end of the century - enough to have a devastating impact on many parts of the globe. Our Science Editor Susan Watts will be assessing the significance of today's report, and whether it may be a spur to more concerted international efforts to tackle global warming. And we'll be asking the Environment Secretary David Miliband whether the action this government has taken comes anywhere near to matching the scale of the problem.

ETHICAL MAN

And - it's not just fossil fuels and flying causing climate change. Another UN study concludes that agriculture is responsible for 18% of all global greenhouse gas emissions. After reading that report, Newsnight's Ethical Man decided he had to go vegan for a month. If I tell you that his research required him to chase through mud, after a herd of cows, in a suit, brandishing a microphone, then I know you will need no greater incentive to watch. But there is a sneak preview on his blog anyway.


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