Modeling the future

If, like me, you struggle a bit with all this computer modelling business that is so much part and parcel of the global warming debate, I would recommend the article The Difficulties of Predicting Climate Change from Der Spiegel. It helps understanding of the complexities involved in an occupation where you will not really know what the future holds until it arrives but where it is necessary to have a stab at things before it might be too late.