Set your TiVo! 2004 Echoing Green Fellow Ruth DeGolia will be on The Tyra Banks Show on Wednesday, April 23. Ruth will be talking about Mercado Global, and how her idea from a college trip to Guatemala has turned into an organization that is changing lives across the world. She’ll be joined by two other women, who are also working to create social change in their communities. To find out more about the episode, you can read summaries here or see the channel listings in your area here.