February 6, 2008 2:36 PM PST
With so many green-technology companies being formed, people with a background in IT are making the jump to solar or biofuels. Meanwhile, tech entrepreneurs are trying to combine their environmental awareness with social networking on the Web.
Make Me Sustainable, a company that's raising a round of venture funding, is a site that combines a detailed carbon calculator with social networking. People can get a picture of their carbon footprint and see how it changes over time with changes they make in their lifestyle. It also can calculate personal savings.
Photo by Make Me Sustainable