General228
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Let’s Discuss Our Water Sources: Impacts of Natural Gas Extraction Along the Upper Delaware
In public debate about the future of America’s energy policy, the Northeast region is in contention regarding gas drilling in the Marcellus Shale field. With this project, we focused on the Marcellus Shale gas extraction along the Upper Delaware, in the Town of Hancock. The process of extraction includes potential environmental hazards and while contentious,…
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Polar Survival a Century Ago: Good Planning, or Just Good Weather?
Before airplanes and satellite phones, polar exploration was a more dangerous undertaking than it is now. Many who set out for the frozen ends of the earth did not come back. Norwegian explorer Fridtjof Nansen and British explorer Ernest Shackleton were some of the few who brought their entire crews home safely. Nansen began his…
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Peering Under the Ice of a Collapsing Polar Coast
Low-Level Aerial Surveys Aim to Understand Rapid Antarctic Melting
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Undergrads in Sustainable Development Travel to Japan
Columbia College Junior Hannah Perls was interning for Congressman Edward Markey, co-author of the historic Waxman-Markey climate bill, when she first considered a future working on Capitol Hill in environmental policy and energy issues. This summer, as part of her studies in the undergraduate special concentration in sustainable development, she completed a seminar on sustainability…
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Glaciers Have Moved Together in Far-Flung Regions
Study Links Climate Fluctuations in North with Tropics
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Protectionism Against Foreign Investors on Rise
Global Survey Sees New Barriers, Often Connected to National Security
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Klaus S. Lackner – Director of the Lenfest Center for Sustainable Energy
To address the exponential rise of atmospheric carbon dioxide concentrations since the Industrial Revolution, Professor Klaus S. Lackner, director of the Lenfest Center for Sustainable Energy at the Earth Institute, is working on ambitious carbon capture and sequestration strategies. “Our goal is to take a process that takes 100,000 years and compress it into 30…
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Visit to Millennium Villages in Mali and Senegal
Thursday, June 25, 2008, six intrepid Earth Institute supporters – Joy Tartar of the Lenfest Foundation and her husband George Hall, Nancy Best, Diane Troderman and Harold Grinspoon, and Bonnie Potter – joined Earth Institute Funding Initiatives staff and 200 project staff for the third annual Millennium Villages retreat in Bamako, Mali. The group participated…
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Ruth DeFries – Denning Professor of Sustainable Development; Professor of Ecology, Evolution, and Environmental Biology
What can satellite imagery tell us about the impact of humanity’s transformation of the landscape on climate and ecosystems? A lot, according to Ruth DeFries, ecosystems expert, Denning Professor of Sustainable Development, and professor of ecology, evolution, and environmental biology at Columbia University and the Earth Institute’s Center for Environmental Research and Conservation (CERC). DeFries…
COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More