200914
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Temperature trends since 1998: Puzzling evidence?
In “Momentum on Climate Pact Is Elusive” (New York Times, 9/21/09) science reporter Andrew Revkin discusses the relative stability of temperatures over the last decade in the context of the UN climate summit this week. He posits that this short term trend may complicate efforts to achieve an international agreement on climate change this year.…
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Protectionism Against Foreign Investors on Rise
Global Survey Sees New Barriers, Often Connected to National Security
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Glaciers Have Moved Together in Far-Flung Regions
Study Links Climate Fluctuations in North with Tropics
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China, Japan, U.S. Star at U.N. Climate Change Summit
The U.N. Summit on Climate Change is underway today in NYC with nearly 100 heads of state in attendance to address carbon emissions and climate change. Several leaders — including the president of the Maldives and the prime minister of Japan — offered impassioned pleas to take action and make strong commitments to reducing carbon…
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Water Reflections: Crisis of water supplies in New Delhi, India
Written in collaboration with Meghna Bhattacharjee. Failed monsoon rains put a cloud over the Columbia Water Center’s journey to India this summer. Soaring temperatures hitting 40 degrees Celsius with 100% humidity made for a hazy sweltering experience which begged for some precipitous relief. As we traveled around New Delhi from air-conditioned cars to air-conditioned rooms,…
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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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Climate News Roundup – Week of 9/12
Schwarzenegger Boosts Clean Energy Plan, Reuters Governor Schwarzenegger issues executive order S-21-09, directing the California Air Resources Board to adopt regulations that would increase California’s Renewable Portfolio Standard to 33% of its power from renewable resources by 2020. Although the 33% standard was first established last year, S-21-09 aims to streamline the regulatory process and…
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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…
AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More