In 2015, Cristal Muniz decided that she would stop producing any trash and created her blog A Year Without Trash, where she talks about this life transition to more than 200 thousand people in her social media with practical and simple tips. Over the years she has given many speeches in schools, colleges and events telling which are the major challenges and what has changed in her life to reach the zero waste goal. In July 2018 she published the book A Life Without Trash, the first book about zero waste living in Brazil