Jon Barnett Jon Barnett is a Professor in the School of Geography, Earth and Atmospheric Sciences at the University of Melbourne. He is a political geographer whose research investigates the social impacts of, and responses to, environmental change. What Bangladesh and Tuvalu teach the world about climate justice 6 August 2026 Bangladesh and Tuvalu expose severe climate justice failures, demanding immediate adaptation finance and accountability from developed nations. 6 August 2026