BBC: Climate scientists meeting in Berlin have been accused of "marginalising" the views of developing countries.
They are preparing to release a key report on how the world must cut carbon emissions to stem dangerous warming.
They are likely to say that if significant action isn't taken by 2030, temperatures will quickly break through the 2 degree C threshold.
But a lead author told BBC News that this focus on cutting CO2 was ignoring the development needs of the poor.
"The narrative, the...