Let the data speak for itself Bjorn Lomborg, Tuesday October 14 2008 08.00 BST Despite the message favoured by environmental campaigners, temperatures in this decade have not been worse than expected Have you noticed how environmental campaigners almost inevitably say that not only is global warming happening and bad, but also that what we are seeing is even worse than expected? This is odd, because any reasonable understanding of how science proceeds would expect that, as we refine our knowledge, we find that things are sometimes worse and sometimes better than we expected, and that the most...