BBC: In the run up to a key global warming report, those sceptical of mainstream opinion on climate change claim they are "winning" the argument.
They say a slowing of temperature rises in the past 15 years means the threat from climate change is exaggerated.
But a leading member of the UN's panel on climate change said the views of sceptics were "wishful thinking".
The pause in warming was a distraction, he said, from the growing scientific certainty about long-term impacts.
Prof Jean Pascal...