Peter Wohlleben

Peter Wohlleben spent over twenty years working for the forestry commission in Germany before leaving to put his ideas of ecology into practice. He now runs an environment-friendly woodland in Germany, where he is working for the return of primeval forests. He is the author of numerous books on trees. Tim Flannery is a scientist, explorer and conservationist. He is a leading writer on climate change and his books include Atmosphere of Hope and the Weather Makers.