NASA Earth has an interesting article showing the movement of fresh water around the world as tracked from their satellite GRACE.  Over that 15-year time period, they observed that “Earth’s wet areas are getting wetter and dry areas are getting drier due to a variety of factors, including human water management, climate change and natural cycles.” You can see the animations and read more at https://twitter.com/NASAEarth/status/996810214744653824.