NASA discovers the world's aquifers are running out of water

Water problems.
(Image credit: Jonas Gratzer/Getty Images)

No one really knows the state of one of the world's most vital sources of fresh water, but NASA now has a guess — and it's not good news.

Over half of the world's aquifers — underground reservoirs that provide the water used by 35 percent of humanity — have been draining faster than they've been replenishing, a new study by the space agency has concluded. By tracking the slightest movements in Earth's gravitational pull over a decade, the NASA satellite GRACE was able to estimate the changes. It found that 21 of the world's 37 largest groundwater sources have already reached their sustainability tipping point; researchers believe agriculture, heavy industry, and population growth are to blame.

The study — the first ever to take such a comprehensive look at the issue — was published Tuesday in the journal Water Resources Research.

Subscribe to The Week

Escape your echo chamber. Get the facts behind the news, plus analysis from multiple perspectives.

SUBSCRIBE & SAVE
https://cdn.mos.cms.futurecdn.net/flexiimages/jacafc5zvs1692883516.jpg

Sign up for The Week's Free Newsletters

From our morning news briefing to a weekly Good News Newsletter, get the best of The Week delivered directly to your inbox.

From our morning news briefing to a weekly Good News Newsletter, get the best of The Week delivered directly to your inbox.

Sign up

“The situation is quite critical,” said Jay Famiglietti, a senior water scientist at NASA told The Washington Post.

Explore More

Nico Lauricella was editor-in-chief at TheWeek.com. He was formerly the site's deputy editor and an editor at The Huffington Post.