NASA scientists used GRACE data to identify regional trends of freshwater movement, and combined that information with data from other satellites, climate models and precipitation measurements to determine the causes of major regional trends in freshwater storage.
FRESH WATER OR HOW TO FEED 10 BILLION PEOPLE BY 2050 IN A WARMING WORLD?
The global shortage of the fresh water in the nearby future is eminent and and has become already a social and humanist disaster.
FRESH WATER OR HOW TO FEED 10 BILLION PEOPLE BY 2050 IN A WARMING WORLD?
FRESH WATER STRICTLY LIMITED 
SHORTAGE AGRICULTURE AND URBAN WATER SUPPLIES EMINENT