Hudson River Archives - State of the Planet

On June 1st, Fish Will Be Filling Our Nets All Around New York City

Join us on Saturday, June 1st to explore one of New York’s most underrated treasures: our productive waterways!

by |May 24, 2019

‘Hudson Rising’ Exhibit Features Living Breakwaters Project

Exploring the complex history of the river’s pollution and conservation, a show at the New-York Historical Society highlights the holistic solution proposed by Earth Institute faculty member Kate Orff.

by |April 2, 2019

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

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

New York’s Waterways Are Swimming in Plastic Microbeads

Plastic microbeads, common in soap, toothpaste and other consumer products, are flooding waters. A team from Lamont-Doherty Earth Observatory is doing the first large-scale assessment of their impact on New York’s waterways.

by |August 16, 2017
Scientists test the water at Lake Tear of the Clouds, high in the Adirondacks of New York. Their testing at the source of the mighty Hudson River in August 2016 was part of a full-river health check from its headwaters to the ocean. Photo: Andy Juhl/Lamont-Doherty Earth Observatory

How Safe is the Hudson? Scientists Test the River, Adirondacks to Ocean

A team of scientists conducted an unprecedented health check of the entire Hudson River system, from its source to New York Harbor. This is what they found.

by |August 31, 2016

H. James Simpson; Tracked Pollutants in the Hudson and Far Beyond

H. James Simpson, a geochemist who pioneered important studies of water pollutants in the Hudson River and abroad, died May 10. He had been affiliated with Columbia University’s Lamont-Doherty Earth Observatory for 50 years. The cause was Parkinson’s disease, said his family; he was 72.

by |May 26, 2015

Photo Essay: A Day in the Life of the Hudson River

Once a year, Piermont Pier becomes a field station, and local students, a team of environmental investigators. On Tuesday, scientists at Lamont-Doherty Earth Observatory led students through a series of field experiments designed to teach them more about the Hudson River.

by |October 23, 2014

Seeger’s Legacy Lives on Aboard Sloop Clearwater

In the summer of 1969, legendary folk musician and activist Pete Seeger headed a grassroots campaign to clean up the polluted Hudson River. At the heart of that campaign was a replica of a 200-year-old sailing ship– the sloop Clearwater. Nearly 50 years later, Clearwater remains an emblem of environmental reform. But with Seeger’s death at age 94 this past January, what will become of his cause?

by |May 13, 2014

After Sandy, Testing the Waters

During Hurricane Sandy the seas rose a record 14-feet in lower Manhattan. Water flooded city streets, subways, tunnels and even sewage treatment plants. It is unclear how much sewage may have been released as plants lost power or were forced to divert untreated wastewater into the Hudson River. Four days after Sandy, the environmental group… read more

by |November 19, 2012