Water5
-

How We Can All Make Waves: Earth Day Reflections from Columbia Water Center
Members of Columbia Water Center share what Earth Day means to them, and offer ways – large and small – that we can all advocate for water and a healthier planet.
-

When It Rains, It Pours: The Effects of Stormwater Runoff
Stormwater runoff can cause a lot of problems in aquatic ecosystems. Here’s how you can help mitigate those effects.
-

Researchers Map High Levels of Drugs in the Hudson River
In a new study, researchers have mapped out a large variety of discarded pharmaceuticals dissolved throughout the Hudson River. They say that in some places, levels may be high enough to potentially affect aquatic life.
-

Upmanu Lall Recognized as a Fellow of the American Geophysical Union
The director of the Columbia Water Center and 60 other honorees were commemorated in a ceremony and reception on Wednesday.
-

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.
-

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.
-

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.
-

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.
-

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.

October 28, 2026 is Columbia Giving Day! Your gift to Columbia Climate School helps advance interdisciplinary research, educate the next generation of leaders, and transform bold ideas into real-world solutions for climate, Earth, and society.
