Water

Replacing production of rice with other, less water-intensive crops is one of the factors that could feed more people using farmland that already exists. Photo: Amol Hatwar via Flickr

Swapping Where Crops are Grown Could Feed an Extra 825 Million People

It could also reduce water stress, according to a new study that includes 14 major food crops from around the world.

by |November 6, 2017
Near the foot of Israel's Mount Sodom, Lamont geoscientist Steven Goldstein (left) and Mordechai Stein of the Geological Survey of Israel inspect a salt cave thought to be 6 million to 7 million years old.

Photo Essay: The Dead Sea, Living Waters and Megadrought

Thousands of years before Biblical times, during a period when temperatures were unusually high, the lands around the Dead Sea now occupied by Israel, Jordan and surrounding nations suffered megadroughts far worse than any recorded by humans. Warming climate now threatens to return such conditions to this already hard-pressed region.

by |October 31, 2017
Obrien

Rural America’s Drinking Water Crisis: No Help From Trump Budget

O’Brien is just one of thousands of small communities in the United States that struggle to find the resources to ensure that the water coming out of the tap is safe to drink. The budget proposal by the Trump administration will only make matters worse.

by |June 13, 2017
kartik

Cleaning Up New York City’s Waters and Beyond: Q&A with Kartik Chandran

Kartik Chandran, an environmental engineer at Columbia, will discuss some of his urban wastewater treatment projects at a panel discussion Friday following the screening of a new film about Rio de Janeiro’s Guanabara Bay.

by |June 7, 2017
CCL Water

How Will Climate Change Impact Water Resources?

Richard Seager and Park Williams, climate scientists at Lamont-Doherty Earth Observatory, discuss how water will be affected by warmer temperatures, and how their research increases understanding of these issues.

by |June 6, 2017
A worker walks down the damaged roadway near the Oroville Dam emergency spillway. The California Department of Water Resources continues to examine and repair the erosion with more than 125 construction crews working around the clock. Photo: Brian Baer/ California Department of Water Resources

Oroville Dam Crisis is a Call to Action on U.S. Water Infrastructure

Columbia Water Center director Upmanu Lall suggests that we see the Oroville crisis as a call to action to evaluate and address the challenges facing the nation’s dam infrastructure.

by |February 20, 2017
The 2003 Simi Valley Fire ravages a mountainside in Southern California's Simi Valley. Image: U.S. Air Force/Senior Master Sgt. Dennis W. Goff

Drought and Fire Activity: What’s Climate Change Got to Do with It?

Lamont-Doherty Earth Observatory scientist Park Williams, recipient of a Center for Climate and Life Fellowship, is investigating the influence of climate change on droughts and wildfires.

by |August 18, 2016
La Niña Climate Impacts

Learning from El Niño as La Niña Odds Rise

Although El Niño is weakening, its ramifications continue to be felt around the world. Drought and resulting food insecurity is one of the major implications for southeast Asia, eastern and southern Africa, Central America and the Caribbean. Sixty million are in need of emergency relief today, according to the United Nations.

by |April 28, 2016
George_Caleb_Bingham_-_Boatmen_on_the_Missouri_-_Google_Art_Project

Learning from a River’s History to Prepare for the Future

Researchers from eight universities, including Columbia University, are using tree ring and glacier analysis to reconstruct the climate history of the Missouri River Basin in order to give policymakers and water managers better decision-making tools to manage the river.

by |August 17, 2015
A_child_drinks_water

Copy Cat!: Fighting the Global Water Scarcity Issue

According to the World Water Management Institute, over one-third of the human population is affected by water scarcity. Advances in physical understanding, its applications, and the study of our environment and bio-mimicry help us develop more effective ways to fight freshwater scarcity around the world.

by |October 29, 2014