Water16
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The Glaciers Are Going
Glaciers around the world have retreated at unprecedented rates and some have disappeared altogether. The melting of glaciers will affect drinking water supplies, water needed to grow food and supply energy, as well as global sea levels.
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Does El Salvador’s Metal Mining Ban Suggest a Global Trend?
A number of national and local governments are tightening environmental regulations and shutting down specific mining projects, or in some cases the entire industry, due to environmental risks, including those related to water use and pollution.
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To Ease Mexico City’s Water Woes, Look up, Study Suggests
For Mexico City’s biggest businesses and its poorest neighborhoods, rainwater harvesting could help address an enormous water crisis plaguing the city, a recent Columbia Water Center study found.
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Michelle Ho: In a Land of Plenty, Big Water Problems
Michelle Ho grew up in Australia, the driest inhabited continent, with an appreciation for the value of having a clean glass of water to drink. Now, she conducts research for the Columbia Water Center on America’s water systems.
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An Ancient Tool Holds Promise for Modern Water Problems
The potential effectiveness of harvesting rainwater to bolster water supply and reduce potentially polluting runoff varies greatly from place to place, even within a particular city or neighborhood. Now researchers at the Columbia Water Center have developed a tool to assess the potential of rainwater harvesting throughout the United States.
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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.
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The Importance of Regulating Lead in Drinking Water
Many schools are being tested for lead in their water. But what about the libraries, hospitals, offices and old apartment buildings? As I observe the new president and his EPA designee, I worry about the adverse effect deregulating environmental protection would have on our families. There is more work to do if we are to…
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Why Are Mines Still Polluting? The Money’s Not There
Across the nation, abandoned mine sites continue to pollute the environment for decades as acid mine drainage flows into rivers and streams. A 1980 law was supposed to fix that, but lack of funding and enforcement have left the public stuck with the bill.
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Earth Institute 2017 Calendar Now Available
To celebrate our 20th anniversary, we asked members of the Earth Institute community to submit photographs for a 2017 wall calendar highlighting our work. Watch a slide show of some of the submissions. Donate $25 or more and we’ll send you the calendar.
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
