It's spring time in Colorado. That lovely time of year when all the rain and as the case is today, snow, we get starts to turn our lawns a lovely shade of green and marks the start of lawn mowing season. As we pull our lawnmowers out of their winter hibernation do you discover that you are in need of a new lawn mower? Maybe your lawn mower works just fine but you want to help reduce your carbon footprint? Well then you need to attend the Mow Down Pollution: Lawn Mower Exchange Event this weekend in Denver. The Regional Air Quality Council (RAQC) is pleased to announce its annual Mow Down Pollution Event for 2010. At the event, Colorado residents are invited to bring in an old, gasoline-powered lawn mower to exchange for a discount on a new, earth-friendly alternative. Participants can expect...