allAfrica: I'm sitting in my office in full winter wear - heavy jacket, gloves, the works. But suddenly it gets too warm and I have to take all of these off. It leaves me baffled, are we in winter, summer, spring or what? In confusion and frustration, I can't help but think about the reasons causing these ever-changing weather patterns. In the past, we used to hear about global warming and climate change. For most of us these have been terms that are far-fetched and something we think is happening in other...