Exploring Environmental History is the podcast about human societies and the environment in the past.
http://www.eh-resources.org/podcast/podcast.html
Australian environmental and forest history
This podcast is entirely devoted to Australian environmental history. Libby Robin talks about the unique nature of Australian environmental history including the connection between deep and modern history, poor soils, fire, Aboriginal history and European settlement. John Dargavel, former president of the Australian Forest History Society discusses the issues and interests in Australian forest history.