Alisa Smith is a notable figure known for her contributions to sustainable food practices. She co-authored the book "The 100-Mile Diet," which promotes eating locally sourced foods to reduce environmental impact and support local economies. This concept encourages individuals to consume food produced within a 100-mile radius of their homes. In addition to her writing, Alisa Smith is an advocate for community-based agriculture and has been involved in various initiatives that aim to connect consumers with local farmers. Her work emphasizes the importance of understanding where food comes from and the benefits of supporting local food systems.