Greg Melville is an American author and journalist known for his work in environmental journalism, travel writing, and adventure storytelling. He has written for various publications, including Outside, Men's Journal, and National Geographic Adventure. Melville gained notable attention for his book "Greasy Rider: Two Dudes, One Fry-Oil-Powered Car, and a Cross-Country Search for a Greener Future," which chronicles his journey across the United States in a car fueled by used vegetable oil. In his writing, Melville often focuses on sustainability, outdoor adventures, and the relationship between humans and the natural world. He combines humor with insightful commentary on environmental issues, seeking to engage readers with stories that are both entertaining and thought-provoking.