People are increasingly interested in where our food comes from, and what impact our consumption has on the natural world. None have yet focused on the sea, a subject of particular interest in seafood-loving Australia. Greenberg takes four of the world's most consumed fish - bass, tuna, salmon and cod - and uses their plight to explore the issues.

Powerful and provocative, Patriots travels through the history and p politics of Australia's conservation movement, and describes a new national identity - an identity deeply enmeshed in nature, an identification with the land that non-Indigenous Australia has lacked

Can civilisation survive the 21st century? Ian Lowe thinks we have a chance, but we have to act now, across the board. Collected here are Lowe's views on the environment, culture, science, politics, education, technology and Australia's economy, along with new pieces on Copenhagen 2009 and Australia's chance for survival in this new century.