Scientists Produce First Data-Driven Estimate of Earth’s Supply of Groundwater

According to a new study in the journal Nature Geoscience, the total groundwater volume in the upper 2 km of the Earth’s landmass is approximately 22.6 million cubic km, of which only around 0.35 million cubic km is younger than 50 years old. The study shows that less than 6% of the groundwater in the uppermost portion [...] —> Read More