https://book-genres.com/environment-book-genre/ defines books in the environment nonfiction genre as books about the habitat in which one lives and the structure and balance that keeps it healthy, alive, or strong. The books in the genre can be about anything from pollution, to global warming, to recycling – anything that impacts the world of nature (the habitat of us all). The environment genre embraces informational books about what’s going wrong and how it’s affecting our habitat to what we can do to bring about positive changes in our habitat and the world overall.