Tagged: co2

Down to the sea - Hot Topic

Bryan Walker May 06, 2010

An interview with climatologist Ellen Mosley-Thompson published yesterday in Yale Environment 360 is a reminder that for those working with ice there’s not much doubt about where we’re heading. She spent six weeks of the summer on her ninth visit to Antarctica drilling ice cores on the Antarctic Peninsula, one of the fastest-warming places on [...] … Read More

Garth goes off the deep end - Hot Topic

Gareth Renowden Apr 22, 2010

Another week, another load of tripe from Garth George in the Herald. He emerges from his sulphurous lair stirred by stories of volcanoes in Iceland to lend his weight to calls for the suspension of the Emissions Trading Scheme. He makes so many egregious errors that he not only makes himself look foolish, but also [...] … Read More

New dimensions in earth science uncovered by NZ blogger - Hot Topic

Gareth Renowden Jan 30, 2010

Exciting new concepts in earth systems science are emerging from the fertile intellect of one of Hot Topic’s most diligent readers, Ian Wishart. Either that, or he’s demonstrated (again) that he doesn’t understand what he’s writing about. In this astonishing post, published yesterday, he considers something he calls the “feedback warming effect”, and attempts to [...] … 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

Doctors orders: NZ ’must rapidly halve its greenhouse emissions’ - Hot Topic

Gareth Renowden Oct 09, 2009

In a hard-hitting article in today’s New Zealand Medical Journal, a group of senior health professionals call for NZ to halve its greenhouse gas emissions by 2020. The spokesperson for the recently formed Climate and Health Group, Dr Alex Hamilton says: Climate change has been described as the biggest global health threat of the 21st century, [...] … Read More