Crop Irrigation Closely Tied to Groundwater Depletion

Crop Irrigation Closely Tied to Groundwater Depletion

Michael J. Puma, a research scientist at the NASA Goddard Institute for Space Studies and a Center for Climate and Life Fellow, is co-author of a new Nature paper on the connection between groundwater depletion worldwide and global food consumption. Puma and his colleagues at University College London found that 11 percent of non-renewable groundwater used for irrigation goes to produce crops that are then traded on the international market. Additionally, two-thirds of the exported crops that depend on non-renewable groundwater are produced in Pakistan (29 percent), the United States (27 percent), and India (12 percent).

In this video Puma discusses their findings and the implications for global food security; read more about the study in this NASA GISS story.

Video credit: NASA’s Goddard Space Flight Center/Kathryn Mersmann. Cover image credit: NASA/Landsat/Robert Simmon and Jesse Allen.