David Ferris is managing editor of the Matter Network, a one-stop hub for news and solutions in the world of cleantech and sustainability. He also writes "Innovate," an award-winning column in Sierra magazine that explores new ideas in renewable power. David has served as lifestyle editor of Sierra, covered crime and city hall as a newspaper reporter, and traveled about East Africa as a correspondent for Reuters. He has penned stories for Wired News, Macworld, Streaming Media and Men's Journal. He lives in Washington D.C. and blogs at theferrisfiles.com.