Water » Page 2

The Animas River between Silverton and Durango in Colorado, USA, within 24 hours of the 2015 Gold King Mine waste water spill. Photo: Riverhugger/Creative Commons

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.

by |December 20, 2016

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.

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Spy Satellites Reveal the Himalayas’ Changing Glaciers – in 3D

Declassified spy satellite images are beginning to provide the first consistent look at how glaciers across the Himalayas are changing and what future water supplies might look like for millions of people.

by |December 12, 2016

Sustainable Development Fall 2016 Workshop Briefings

By Chandler Precht On December 9, 2016, students in the Undergraduate Program in Sustainable Development presented practical solutions to sustainability issues and challenges faced by real world clients. Under the guidance of Professor Stuart Gaffin and Professor Radley Horton, the Capstone Workshop offers students a chance to convey the knowledge and theories gained throughout their time in the… read more

by |December 10, 2016
Photo: Luis LuCheng / flickr

Water Quality Concerns Extend Well Beyond Flint

Researchers at the Columbia Water Center have been analyzing trends in drinking water quality violations. A critical lesson is that water quality violations extend well beyond the problem of lead in Flint’s drinking water.

by |November 2, 2016
Hoover Dam. Photo: U.S. Bureau of Reclamation

Dammed Funding for U.S. Dams

Across the nation, large-scale water infrastructure such as dams have provided a multitude of services, from electric power and water reservoirs to flood control and containment of pollution. But federal investments in large water infrastructure projects have largely been curtailed over the past few decades.

by |October 12, 2016
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
A memorial to the 29 miners killed in an explosion at the Upper Big Branch mine in West Virginia in April 2010. Photo: https://www.facebook.com/ubbminersmemorial

Rules Would Require More Environmental Risk Disclosure in Mining

The Securities and Exchange Commission has proposed changes to its disclosure requirements for mining companies that could increase the liability potential of companies that fail to accurately disclose environmentally related risks to their investors.

by |August 10, 2016
Bento Rodrigues, destroyed by a flood of chemical-laced water and sludge after a tailings dam collapsed in Brazil in November 2015.

Shareholder Litigation Puts a Spotlight on Environmental Risk

Lawsuits based on corporate misrepresentations to investors are gaining attention from those who want to see companies held more accountable for environmental damage–including risks associated with climate change.

by |July 11, 2016
This map shows the amount of water stored in underground aquifers in the continental U.S for the year 2014. The baseline is the average water stored between the years 1948-2009. Source: NASA.

Bridging the Gap Between Science and Policy for Water Security

To tackle the challenge of how to effectively educate important stakeholders about ground water in the United States, 11 graduate students from the Earth Institute and School of International and Public Affairs MPA in Environmental Science and Policy program were asked to recommend a strategy to improve scientific literacy among policymakers and investors.

by |July 8, 2016