Tagged: Arctic sea ice

How “sceptics” view Arctic sea ice decline - Hot Topic

Gareth Renowden Sep 06, 2012

In the grand tradition of the Skeptical Science global temperature “escalator“, Dana Nucitelli has put together an animated graphic that shows how cranks/deniers/faux-sceptics tend to view the Arctic sea ice decline, contrasted with how the rest of the world sees it. Dovetails nicely with my projections of the response to the melt from the crank [...] … Read More

Realism and risk: waiting for the bus - Hot Topic

Bryan Walker Sep 02, 2012

Climate Change Minister Tim Groser gave a substantial and intelligently argued speech recently to an informal meeting in Auckland of international climate negotiators met to discuss the  way forward to a new agreement in 2020. Groser makes the case for political realism in climate negotiation. He records his sense after attending a COP conference at [...] … Read More

Why Arctic sea ice shouldn’t leave anyone cold - Hot Topic

Gareth Renowden Aug 26, 2012

In this guest post Neven Acropolis, the man behind the excellent Arctic Sea Ice blog, looks at the reasons why we need to pay attention to the rapid loss of sea ice in the Arctic Ocean. Arctic sea ice became a recurrent feature on planet Earth around 47 million years ago. Since the start of [...] … Read More

Pump up the volume (before the ice is gone) - Hot Topic

Gareth Renowden Aug 12, 2012

Early results from the European Space Agency’s Cryosat-2 satellite, launched in 2010, suggest that the Arctic sea ice volume in summer is currently being lost at the rate of 900 cubic kilometres per year, Robin McKie reports in The Guardian. By combining Cryosat data with other sources they have concluded that there has been a [...] … Read More

Arctic sea ice forecast: it’s going to be tough to stay cool - Hot Topic

Gareth Renowden Aug 12, 2012

Bad news from the Arctic is piling up as we head into the last few weeks of the melting season. The various measures of sea ice area, volume and extent are plummeting towards a new record minimum. I have therefore reviewed the history of Arctic sea ice melting seasons since 2007, and compiled my own [...] … Read More

The truth is molten - Hot Topic

Gareth Renowden Jul 05, 2012

Extreme weather events are where the climate change rubber hits the road, and if events over the last month are anything to go by, global warming is currently doing doughnuts and burnouts on tarmac right round the globe. Kevin Trenberth put it rather nicely in an interview with PBS Newshour in the US: “This is [...] … Read More

Greenland melt record likely - Hot Topic

Gareth Renowden Jun 27, 2012

Jason Box reports that the Greenland ice sheet darkening recorded in satellite albedo1 measurements is setting new records this summer, especially at high altitudes. Box recently blogged that ice sheet reflectivity this summer “has been the lowest since accurate records began in March, 2000″. Here’s the latest “noodle plot”2 (regularly updated here) for the ice [...] … Read More