Water Archives - State of the Planet

Study Finds Sewage Bacteria Lurking in Hudson River Sediments

A new study shows that fecal bacteria from sewage can persist in far greater quantities in near-shore sediments than in the water of the Hudson River.

by |December 13, 2018
megadrought is causing lake mead's water levels to fall

Current Megadrought in the West Could Be One of the Worst in History

A 19-year drought in the American West is one of the most severe in the past 1200 years—and climate change is partially to blame, according to new research.

by |December 13, 2018
arsenic testing

Arsenic Contamination is Common in Punjabi Wells, Study Finds

But there’s a pretty simple solution that could protect a lot of people.

by |December 12, 2018
Road Salt Runoff Stains

How Road Salt Harms the Environment

Recent research indicates that salt is accumulating in the environment and poses an emerging threat both to ecosystems and human health.

by |December 11, 2018

American Geophysical Union 2018: Key Events From the Earth Institute

The American Geophysical Union fall meeting takes place Dec. 10-14 in Washington, D.C. Here is a guide to key talks and other events from Columbia’s Earth Institute.

by |December 3, 2018

National Climate Assessment: Will U.S. Water Problems Worsen?

Upmanu Lall is director of the Columbia Water Center, and the lead author of the new U.S. National Climate Assessment’s chapter on water resources. The report paints a dire picture of the nation’s climate future. We spoke with Lall about the outlook for water supplies, quality and infrastructure.

by |November 26, 2018
Members of the Japan Family Farmers’ Movement showing their support of peasant rights

UN Resolution Would Protect Land and Water Rights of Rural People

This proposed declaration includes a number of rights, and specifically mentions that water resources in mountain ecosystems should be protected against pollution from mining activities.

by |October 5, 2018

Columbia Researchers Help With Plan to Restore and Protect the Hudson River

A comprehensive plan outlines ways to clean up the Hudson River and reduce the impacts from development and climate change.

by |September 18, 2018
almond orchard in california

Almond Orchards in California: Healthy or Hazardous?

Why California almonds get such a bad rap.

by |September 5, 2018

Using Artificial Intelligence To Locate Risky Dams

In the U.S., some 2,000 high hazard dams are in need of repairs. A project from the Columbia Water Center is helping to identify the most hazardous ones.

by |August 23, 2018