It does this over and over in a continuous cycle. When the Sun shines, it warms water up and turns it into a gas - water vapour. This process is called evaporation. The water vapour rises and ...

Water moves around the world in "atmospheric rivers" as part of the global water cycle, explained the report ... to put "unprecedented stress" on this process, the commission said.

The process by which water evaporates from the ground, including lakes, rivers, and plants, rises into the atmosphere, and eventually returns as rain or snow, is no longer functioning as it should.