“Over 2000 delegates from 80 nations have gathered this week in Copenhagen to update the global assessment of climate change, and I’m fortunate enough to be one of them,” says Olive Heffernan of Nature Reports Climate Change. She is blogging the conference over on the Climate Feedback blog along with Oliver Morton.

Conference news so far from Nature

Rajendra Pachauri, chair of the Intergovernmental Panel on Climate Change, will head up a new climate and energy research institute at Yale University from this Fall.

Jonathan Bamber of Bristol University was talking about the stability of the Greenland ice sheet at a session on tipping points.

A technical session on geoengineering.

Other conference news

“The sea-level rise may well exceed one metre (3.28 feet) by 2100 if we continue on our path of increasing emissions. Even for a low emission scenario, the best estimate is about one metre.”

Stefan Rahmstorf, professor at the Potsdam Institute for Climate Impact Research, delivers the latest warning message (Reuters).

“In science the truth is out there. It’s there to be discovered. In politics often the truth is whatever is expedient to this or that project.”

John Ashton, the UK’s Foreign and Commonwealth Office special representative on climate change, tells scientists politicians should not always be trusted (The Times).

“[Obama] is not going to say by 2020 I’m going to reduce emissions by 30%. He’ll have a revolution on his hands.”

Rajendra Pachauri talks to the Guardian.