For the past couple of years, I have been using this image of a polar bear riding a small iceberg to illustrate climate change in the talk I give to a local(ish) school about studying biological sciences at University - it's just one of the important areas to which biological sciences graduates can contribute. Sadly, according to a Guardian article earlier this week, it is an image that might go out of date sooner than I thought.
The title of the article says it all, really: "Arctic expert predicts final collapse of sea ice within four years".
As the expert in question (Prof Peter Wadhams of Cambridge University) is quoted to suggest in the article, surely it is time to start throwing everything at this problem, including the kitchen sink of geoengineering. With a catastrophe of this magnitude so close, it is hard to see how such attempts could possibly make things worse.