Tagged: Antarctica

Tipping and other points - Hot Topic

Gareth Renowden Feb 15, 2010

During the Copenhagen kerfuffle a lot of interesting stuff hit the web: here’s something that deserves a bit more air – a Proceedings of the National Academy of Science (PNAS) special issue on tipping elements in the earth system, edited by John Schellnhuber, the director of the Potsdam Institute for Climate Impact Research in Germany. [...] … Read More

Antarctic science review: greening and melting - Hot Topic

Gareth Renowden Dec 05, 2009

The first comprehensive scientific review of our understanding of Antarctic climate and the way that it’s changing was published in the UK earlier this week [ScienceDaily]. The Antarctic Climate Change and the Environment report (a free download), prepared by the Scientific Committee on Antarctic Research (SCAR), points to ten key findings [PDF]: For the last 30 [...] … Read More

Marvellous distempered: the Copenhagen diagnosis - Hot Topic

Gareth Renowden Nov 25, 2009

The Copenhagen climate conference (COP15) opens its doors in a little under two weeks. To update participants on the science of climate a new assessment report, The Copenhagen Diagnosis, was released yesterday, and it makes grim reading. Designed to inform “a target readership of policy-makers, stakeholders, the media and the broader public” about the evidence [...] … Read More

Deep time, deep water - Hot Topic

Gareth Renowden Oct 11, 2009

The last time CO2 hit a sustained level of 400 ppm 15-20 million years ago global average temperatures were 3 – 6ºC warmer than now, and sea level was 25 to 40 m higher, according to research released last week. That’s bad news, because the target for current international negotiations to find a successor to [...] … Read More