Humanity has thrown the global water cycle off balance “for the first time in human history,” fueling a growing water disaster that will wreak havoc on economies, food production and lives, according to a landmark new report. Decades of destructive land use and water mismanagement have collided with the human-caused climate crisis to put “unprecedented stress” on the global water cycle, said the report published Wednesday by the Global Commission on the Economics of Water, a group of international leaders and experts. The water cycle refers to the complex system by which water moves around the Earth. Water evaporates from...