New research from NASA finds that human activities, including causing global warming and depleting groundwater for agriculture, are making for an increasingly water-stressed world. It's the first global accounting of trends in freshwater availability.
First map of global freshwater trends shows "human fingerprint"
"No national, regional, or local water plan or assessment should overlook these estimates - they are the boundary conditions that shape water security."
— Marc Levy, a researcher at Columbia University's Earth Institute who was not involved in the new study