Lydia Wylie-Kellermann is a writer, editor, activist, and mother. She is the director of Kirkridge Retreat and Study Center. She is the author of This Sweet Earth: Walking with our Children in the Age of Climate Collapse and the editor of The Sandbox Revolution: Raising Kids for a Just World. Lydia’s writing has appeared in Sojourners, Geez Magazine, and various Catholic Worker papers, and she is a contributor to multiple books. She lives with her partner and two boys in Bangor, Pennsylvania.