On the Discourse this morning, we turn on  World Environment Day, as the global community marks the occasion, Africans continue to bear the brunt of global warning, despite contributing the least carbon emissions. On the African continent, the environmental crisis isn't an abstract policy debate reserved for an annual calendar date, it is a lived, catastrophic reality.  From the blistering, record-shattering heatwaves baked across Southern Africa to the erratic, devastating rainfall tearing through agricultural corridors, climate change is actively redrawing the map of African survival.  To help us unpack the geopolitics and human cost of this crisis, Tsepiso Makwetla spoke to Kaitano Dube, Distinguished Professor at the College of Economic and Management Sciences at UNISA