India, May 22 -- Through the annals of history, we find the weaponisation of water as a crucial strategy among belligerent nations. In 680 CE, the Umayyad forces led by Yazid I effectively blocked the enemy's access to the Euphrates River, defeating the Prophet's grandson Husayn ibn Ali and his followers. While Yazid blocked the water, there were many examples of flooding as a war strategy in history. A study on the southwestern Netherlands by Adriaan de Kraker points to the cause of one-third of all floods between 1500 and 2000 to the deliberate human interventions during warfare. Thus, water as a weapon is a time-tested defence strategy that often forgets humanitarian or environmental concerns. Nearly 40% of the world population is sust...