A pair of satellites that measures changes in the earth’s gravity has shown that the intense irrigation of a 1,200-mile swath of northern India is depleting groundwater at a rate of 1.5 to 4 inches per year. The satellites, part Read more…
A pair of satellites that measures changes in the earth’s gravity has shown that the intense irrigation of a 1,200-mile swath of northern India is depleting groundwater at a rate of 1.5 to 4 inches per year. The satellites, part Read more…