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is co-chief executive of The Australia Institute. His latest book is Dead Centre: how political pragmatism is killing us.

is a former leader of the Australian Greens. His latest book is Defiance: Stories from Nature and Its Defenders.

is the author of the newly released book Power, Prosperity & Planet: Climate & Energy Policy for All. He is a senior international fellow with the Smart Energy Council and has been chief of staff to a former prime minister.

is a poet, novelist, critic, essayist and editor.

is an adjunct professor at UNSW Canberra.

is a professor at the ANU Crawford School of Public Policy and former Liberal opposition leader.

is a columnist for The Saturday Paper and a 35-year veteran of the Canberra Press Gallery.

is the assistant minister for productivity, competition, charities and treasury.

is the executive director of the Alliance for Journalists’ Freedom, a professor of journalism at Macquarie University and an award-winning journalist.

is a theologian, writer and Charles Sturt University distinguished professor.