David Tickner, Homero Aridjis, Lyla Mehta and Daniela Schmidt

How will climate change affect biodiversity and the way we manage freshwater supplies and the oceans as a resource? David Tickner, Head of WWF’s Freshwater Programme, Homero Aridjis, poet, Head of the Group of 100 and Mexico's Ambassador to UNESCO, Lyla Mehta of the Institute of Development Studies at the University of Sussex, and Daniela Schmidt, Royal Society University Research Fellow at the University of Bristol.