Modern farming equipment can be costly, especially to many in the developing world. The Michigan-based nonprofit Tillers International works on “improving agriculture by introducing low-cost technologies to improve ox and horse power…for those farmers who do not have access to tractors,” according to founder and director Dick Roosenberg. In addition to training farmers in Uganda and Mozambique, Tillers ran more than 100 classes in subjects ranging from “Farming with Draft Animals” to “Wooden Rakes and Forks” at their Michigan Learning Center last year. Roosenberg joins us to discuss why he thinks bringing back old technologies is worth it. (Photo: Flickr/k6martini)