climate change100
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Peat Fires Choking Southeast Asia Pose a New Threat to Global Climate
The Indonesian peat fires that have been choking cities across Southeast Asia with a yellow haze are creating more than a local menace—burning peat releases immense stores of CO2, contributing to global warming.
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Before Paris, Cause for Optimism
If the international community were to fully understand the threat of climate change, and the likely cost of mitigation and adaptation, perhaps we would commit to continued tax breaks and incentives, and propel the renewable energy transition toward completion. In the long run, I am sure this would be less expensive than coping with the…
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How to Feed Everyone—and Protect the Environment
More than 500 leaders in agricultural research and organizations from 67 countries came together for the 2nd International Conference on Global Food Security to discuss how we can achieve global food security while reconciling demands on the environment.
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What Everyone Should Know About Climate Change
Young scientists sum it up: The climate is changing. We’re causing it. It’s going affect everyone, and be expensive. But we can do something about it. Watch the video…
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Climate Through A Different Lens: Poverty, Inequality, Sustainability
Technology has brought us low-cost global communication, and also enabled a global economy. It has also brought us closer and further from each other. We now know more about other cultures. We also see the differences, and sharpen our sense of inequities. Perhaps, this, rather than a control of greenhouse gases, needs to be the…
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Unlocking the Secrets of the Ross Ice Shelf
The Ross Ice Shelf is much like the Rosetta Stone. The historic stone inscribed in three scripts told the same story but in different tongues, so when matched together scholars could decode an ancient language. The Antarctic Rosetta Project also brings together three different “scripts,” each written by an Earth system; the ice, the ocean…
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The Paris Climate Summit: Resources for Journalists
Many experts at Columbia University’s Earth Institute are attending or closely watching the Paris climate summit. These include world authorities on climate science, politics, law, natural resources, national security, health and other fields, who can offer expert analysis to journalists. Here’s a guide to resources that journalists covering the summit can tap.
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From Copenhagen to Paris: Getting Beyond Talk
The climate issue seems to generate a high level of ideologically based politics, emotional rhetoric and political symbolism. It is time to move past symbols to pragmatism and political reality.
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
