Water Scarcity11
-

The Middle East Dries Up—Another Case Study in the Water-Energy-Food Nexus
As seductive as it is, depleting non-renewable aquifers to grow food is fundamentally unsustainable for the long term, as Saudi Arabia and other nations are finding out. According to a recent article by Lester Brown, in the 1970s the world’s largest oil producer realized it could use oil-drilling technology to tap deep underwater aquifers and—amazingly,…
-

Growing Up: Water Efficiency and Sunless Farming
As Earth’s population continues to grow and a dynamic global climate shifts our expectations of where and when food can be grown, scientists are trying to find new ways to get more from less.
-

From Wastewater to Drinking Water
Across the globe, 2 out of 10 people do not have access to safe drinking water, and in the U.S., many states face water shortages and droughts. As the global population continues to grow and climate change results in more water crises, where will we find enough water to meet our needs?
-

Colonel Qaddafi and the Great Man-made River
Behind the political impetus at work determining the fate of Colonel Muammar Qaddafi and the future of Libya lurks another issue: water.
-

Fracking: What Lies Beneath?
Disclaimer: Although this blog post has been researched like any other news piece I would write, it represents my personal perspective about natural gas drilling. For a journalist, it feels strange to begin with a disclaimer, but that’s what I’ll do here. The reason is simple: This blog post is skewed. Why? because, if the…
-

White Paper Release: Addressing the Water Crisis in Gujarat, India
In honor of World Water Day, Columbia Water Center is releasing a new White Paper: Addressing the Water Crisis in Gujarat, India. The paper presents the results of Columbia Water Center’s study of the severe groundwater crisis in the Mehsana region of Northern Gujarat, India. The study concludes that the current pattern of groundwater exploitation…
-

Ethanol’s Impacts on Our Water Resources
Ninety-five percent of ethanol in the U.S. comes from corn, but corn-based ethanol is controversial because of the amount of land required to grow the crops, and because of its effect on food prices and water resources.
-

A Solution to the Problem of Lawns?
Given the growing intensity of the global water crisis, to spend such enormous amounts of water on something that for practical purposes does little more than enslave millions of American homeowners by chaining them to their lawnmowers and sprinklers every Saturday…
-

The Fog Collectors: Harvesting Water From Thin Air
Today nearly two people in ten have no source of safe drinking water according to the U.N. But in some desert areas, where there is very little rain, fog and dew are abundant sources of humidity that are being harvested to produce fresh water.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
