A freelance writer since he published his first article on appropriate technology education with RAIN: Journal in 1985, David Biddle has published work with the likes of Harvard Business Review, BioCycle, Huffington Post, The Philadelphia Inquirer, GetUnderground, Resource Recycling, BuzzWorm, Talking Writing, etc. He was also a contributing editor to InBusiness (the 2nd best sustainability publication of all-time) for over a decade. His novel, Old Music for New People, was published by The Story Plant in 2021.