What if a dramatic surge of climate change melted all the earth's ice overnight? Would you wake up to find yourself drowning under water? Would most of your country be submerged?WATCH: What would happen to SA if all the world's ice meltedSouth Africa's coastline would be the most damaged - Cape Town's West coast and Saldanha Bay would not longer exist. Mitchell's Plain would be 'swimming in water'. KZN would experience a loss of National Parks such as iSimangaliso, which would become part of the ocean life.