Stephen and Rebekah Hren live in Durham, North Carolina, where they are both actively involved with renewable energy, natural building, and edible urban gardening. Rebekah works with Honey Electric Solar, Inc. as a professional designer/installer of photovoltaic systems and domestic solar hot water systems. She is a NABCEP-certified solar photovoltaic installer, licensed electrical contractor, and ISPQ-certified solar instructor for Solar Energy International. Stephen is a professional restoration carpenter, focusing on antebellum houses. He teaches natural building classes and workshops at the local community college, and in any spare time works with Bountiful Backyards, an edible landscaping cooperative. They are the authors of The Carbon-Free Home.