'At this pace of cooling, I suspect that the second half of 2010 could ruin the chances of getting a record high global temperature for this year'

UN IPCC's Kevin Trenberth: 'We cannot explain this at present. It may be due to further problems hidden within the ocean data or the way they are processed'

'Expect global cooling for the next 2-3 decades that will be far more damaging than global warming would have been'