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Sceptical climate researcher won't divulge key program
17:33 18 December 2009 | 79 comments
A physicist whose work is often highlighted by climate-change sceptics is refusing to provide the software he used to other climate researchers
Copenhagen diaries: Capitalist gods and socialist tantrums
15:07 18 December 2009 | 14 comments
Get 115 heads of state and government into one conference centre, give them 5 minutes of airtime each and there's bound to be fireworks
Copenhagen talks shift gears
20:44 15 December 2009 | 3 comments
As world leaders prepare to descend on the climate negotiations in Denmark, the key issues remain unresolved