Thursday, October 18th 2012, 5:35 PM EDT
It happened just a month before the Copenhagen climate change conference, and for some climate change sceptics, the emails were a worrying revelation of the real thoughts and manoeuvring of scientists at the University of East Anglia's Climatic Research Centre and their international colleagues.
The scientists argue that while some of the phrasing may have been unfortunate, there is nothing in the documents to undermine the validity of mainstream climate science - but what have been the longer-term consequences of this incident, for public opinion, media reporting and international policy-making on climate change?
Presenter/Chris Vallance, Producer/Martin Rosenbaum and Catherine Donegan for the BBC
Wednesday 31 October: 9.00-9.30pm: BBC RADIO 4
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