Katherine Butler

Katherine Butler is a regular contributor to several green sites, including Ecosalon and MNN. She also writes for the small screen with credits at the Disney Channel and USA Network.

Want to save the planet? Al Gore has an app for that

An Inconvenient Truth started out as a book and became an Oscar-winning movie. Al Gore’s follow-up book, Our Choice, has now gone multimedia too, but in a whole new way, as a first-of-its-kind app complete with documentary footage and even …