Greg Buckman worked on the campaign to save the Franklin River and those to save Tasmania's forests, and since the early 1990s he has been closely associated with the Tasmanian and Australian Greens. He is a long-term office-bearer of the Australian Green and the author of four books about natural Tasmania and activist issues: Tasmania's National Parks: A visitor's guide (1996, 2002), Mt Wellington: Its history, walks and facilities (2000), Globalisation: Tame it or scrap it? (2004) and Global Trade: Past mistakes, future choices (2005).