There's a whole lot of fencing going on—fencing of national borders trying to keep out migrants. But rather than fences and barriers, we need planning on an international level for the migration that's going to come from the climate crisis. On this show we are going to explain why. Along the way we talk about animal migration and insect migration. Some species can make it and some can't. And we bring you some information about Lake Tanganyika in south-central Africa bursting its banks due to climate related causes.