BBC: The Intergovernmental Panel on Climate Change (IPCC) meets this week in Sweden to thrash out a critical report on global warming.
Scientists will underline, with greater certainty than ever, the role of human activities in rising temperatures.
But many governments are demanding a clearer explanation of the slowdown in temperature increases since 1998.
One participant told BBC News that this pause will be a "central piece" of the summary.
Researchers from all over the world work with the...