The volume of water that breaks off Antartica as icebergs each year is greater than the total global consumption of freshwater. And icebergs are pure freshwater. Not for the first time, schemes have been proposed to tow icebergs to hot, water-stressed regions of the world. In Spring 2018, for example, before the rains finally came, the four million people in Cape Town, South Africa, came perilously close to ‘Day Zero’ – when they would run out of water. Though the idea of using icebergs in this way originated as long ago as the 19th Century, no plan has ever been put into action. The idea makes even more sense when you think of icebergs otherwise being “wasted” by melting into the salty seas. Of course, another feature of icebergs is that much more of them lie below the waterline than above. Ships need to be aware that initial appearances are deceptive where icebergs are concerned. In this article, we are going to consider why a superficial approach does not work and why Continue Reading