Sustainability

96th Street Station of the Second Avenue Subway Line. (https://en.wikipedia.org/wiki/Second_Avenue_Subway#/media/File:96th_Street_Station_(31000690483).jpg)

The Second Avenue Subway: Another Small Piece of the Sustainable City

On New Year’s Day 2017, the impossible took place and the first phase of a new Second Avenue subway line in New York City was finally opened. Governor Cuomo demonstrated what visible, positive public leadership could accomplish.

by |January 9, 2017
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Columbia Alumni Making Sense of Sustainable Investing

While more institutional investors are factoring sustainability in their investment decisions, there is little agreement about what sustainability means, or how to measure it. Interviews with three sustainable investment professionals—all graduates of Columbia University’s Sustainability Management graduate program—indicate a growing demand for investing that accounts for sustainability performance, but also obstacles to discerning the best… read more

by |January 6, 2017
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Paying for Infrastructure

Privatization is seen by some as a way of rebuilding America’s infrastructure more efficiently than public sector reconstruction, but experience with privatization is mixed. Sometimes it works well; sometimes it doesn’t.

by |December 28, 2016
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Learn About Environmental Sustainability and Conservation

The Earth Institute Center for Environmental Sustainability offers an Executive Education Program in Environmental Sustainability and Conservation that is geared toward professionals seeking an understanding of our natural world and our changing environment.

by |December 22, 2016
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
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Students Advise County on Permeable Pavement

The biggest barrier to installation or permeable pavement is funding. But the positive outcomes include reduced flooding, less stormwater runoff, and recharging of aquifers.

by |December 19, 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.

industrial pollution

Environment, Jobs, and President-Elect Trump

While many people around the world are concerned about President-elect Trump’s threat to withdraw from the Paris climate accord, I am far more concerned about the possible signal to American corporations and jurisdictions that enforcement of our air, water, and toxic rules would be relaxed under EPA’s new administrator.

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
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Beyond the Classroom: Field Visit to Rockefeller State Park

As part of the course on The Business and Ecology of Sustainable Forestry with Professor Ralph Schmidt, students visited the Rockefeller State Park in October 2016.

by |December 8, 2016