Humans are shifting freshwater across Earth. This will continue as move and eat . Many equatorial are drying, while areas are getting . If this continues, many could struggle to find water in the future. NASA spent 14 years studying freshwater . It was of a mission called GRACE, which stands for Gravity Recovery and Climate Experiment.
Jay Famiglietti, a co-author of the , said: "The study shows that humans have really altered the global water in a very profound ." He warned that: "We see it as a of climate change." Professor Famiglietti said that over 40 per cent of the areas looked at in the research were than twenty years . He said this was because of human activity. One was too much pumping of groundwater for .