12 Jan – - Dr Nigel Crawhall is the Director of Secretariat, Indigenous Peoples of Africa Coordinating Committee. He joins us to look at the impact of climate change on rural / nomadic people in Africa. Most importantly, the knowledge that they possess regarding the environment which could provide vital solutions for adapting to climate change. - Then PAUL SEARLE a mountain guide speaks about how he became an expert on medicinal plants in and around CT. - Dr Peter Ardington sheds light on his UCT Summer School lecture - he explores and analyses the environmentally negative influence of people from the emergence of our species, between 200 000 and 400 000 years ago, up to the present. - Author of The Rift, Alex Perry gathers positive stories from Africa. On every page, Perry overturns our preconceptions of the world’s biggest continent, exposing them as self-indulgent, out-of-date and damaging. He joins us to speak specifically about the man who greened the desert in Burkina Faso. - And to wrap - a chemistry professor at CPUT discovers how wild plums — planted as street trees in many towns and cities — could save your life.