John H. Tullock

John H. Tullock has been an advocate for sustainable living and biodiversity preservation since the 1970s. He has taught college courses in environmental science and has lectured extensively on biodiversity and sustainability issues, serving as an invited speaker at the Global Biodiversity Forum in 1997. He is the author of Pay Dirt: How to Make $10,000 or More from Your Backyard Garden and a dozen other books.