CNN: Micro wind turbines are beginning to pop up all over our urban and rural landscapes. But is it worth investing your hard-earned cash in your very own wind machine? In short, it depends. Take a look at our quick guide to see if “small wind” could help you reduce your energy bills and your carbon footprint. In the long-term a micro wind turbine could be a very sound investment. What is available? There are plenty of small wind turbines on the market. Most are the more …