Ever the environmentalists, in this edition of Beaker Hill we preview Boston GreenFest 2008 (Friday and Saturday in City Hall Plaza) by examining some recent alternative energy breakthroughs that didn’t make it into the festival. So if you decide to head out to GreenFest, feel free to drop one or two of these stories to impress your friends. Mention that you read it on Bostonist and you’ll win a free shirt! (Not really.) We start......

Wind turbines are at the forefront of energy technologies that might liberate us from bubblin' crude, and the Museum of Science wants in. They have a plan to add nine turbines to the museum roof. However, the plan seems to be mostly for show, as the turbines would save only $3,000 a year. It seems as if their heart is in the right place, and the plan is safer than Mayor Menino's idea to install......

Massachusetts is the hot battlefield for wind energy. What happens here will no doubt impact how seriously wind is taken as an alternative energy source in the rest of the United States. And, last week, a lot happened regarding wind energy that didn't have anything to do with Cape Wind. Hull, which already gets 12 percent of its energy from wind power, is hoping to install four turbines off shore, which will eventually lead to......