
From heads of state to ordinary citizens, thousands of people will gather for more than 100 events during Climate Week NYC. The Earth Institute and its centers will be engaged in several events; read on to find out how you can participate.

For the last decade or so, Columbia University geologist David Walker has led students and colleagues on a tour of the geologic gems hiding within Columbia’s campus. Along the way, Walker finds evidence of how life on Earth has evolved over 4.5 billion years.

With body spry, tail curly, This mammal showed up early.

There are many brave people who recognize the climate crisis and are beginning to stand up and take personal risks to try to stop expansion of the fossil fuel industry, across the United States, in Canada, and in other nations. Their courage is remarkable and I hope it has an awakening effect.

Master of Science in Sustainability Management alum Harry McLellan (’14) has always had an interest in the built environment. Prior to joining the program, he worked as a construction lawyer for 25 years. Now, working as a Senior Counsel in the Law Department of the City of New York’s Commercial and Real Estate Litigation Division,…

With support from the Earth Institute, writers Caswell Holloway, Carter Strickland, Michael Gerrard, and Daniel Firger recently published “Solving the CSO Conundrum: Green Infrastructure and the Unfulfilled Promise of Federal-Municipal Cooperation” in Harvard Environmental Law Review. The authors propose regulatory and policy reform to develop comprehensive, locally led infrastructure and sustainability initiatives that improve public…
Growing "Dead Zone" Could Short-Circuit Food Chain

In her new book, Ruth DeFries argues that we have continually created new technologies that allow our numbers to grow. But each new invention creates a new problem—which we solve with yet another innovation that creates the next problem. Will we be able to sustain this so-far successful cycle past the great leap in technology…

The early decision deadline to apply for the Master of Public Administration (MPA) in Environmental Science and Policy at Columbia University’s School of International and Public Affairs is approaching on November 1. By submitting your application for our early decision deadline, you will be considered for a prestigious Environmental Sustainability Fellows award, so start your…