200921
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Climate change finance as a tool for women’s empowerment
When gender is mentioned in the context of climate change, it’s generally to point out women’s greater vulnerability to climate change’s impacts. Indeed, women do tend to be more vulnerable than men, especially in less-developed countries, and they have different capacities to cope. The reasons for the gender differences include rights to home and land…
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What is “it” about bottled water?
Recently, in a discussion about bottled water, my colleague stated, “I’ve heard this argument before – it’s the bottle, not the water, that’s the problem. Would these people be happier if the bottle was made from recycled glass?” As one of “these people” who are troubled by bottled water (and in spite of the disparaging remark,…
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Health people, meet climate people!
Since Monday, 12 public-health professionals and climate scientists from ten countries have been at Columbia University’s Lamont campus to learn how to use climate information to make better decisions in health-care planning and disease prevention. They’re taking part in the second Summer Institute on Climate Information for Public Health, organized by the International Research Institute…
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Mayor Bloomberg's Persistent Sustainability Agenda
The past several weeks we once again saw the Mayor at his best and at his worst. At his worst, he berated a NY Observer reporter who raised the issue of term limits. At his best, he demonstrated the political courage to experiment with banning cars from parts of Times Square and Herald Square, and…
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Adaptive Strategies in Managing Climate Change Risk
With the threat of rising sea level due to thermal expansion (water increases volume as it gets warmer) and melting of land-based ice (such as glaciers and polar ice sheets), coastal cities are planning ways to minimize the impacts of flooding on city infrastructure. The Thames Barrier (pictured) is one such engineering solution. It is…
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CWC’s new Great Lakes Column
The Columbia Water Center is leading intellectual inquiry into the assessment, prediction and solution of the growing scarcity of fresh water. Although the CWC is looking at water issues across the globe, up until now, little attention at the Center has been focused on the Great Lakes. Some past student projects have explored in-depth…
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Seawater desalination: the solution?
Water is an increasingly scarce commodity in many parts of the world, and it seems seawater desalination is one of very attractive solutions available to these regions. Of all the Earth’s water, 94 percent is saltwater from the oceans and only 6% is fresh. If plenty and easily accessible seawater could turn into fresh drinking…
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Dam Break in Northeast Brazil: Can We Blame Global Warming?
Nordeste, the driest region in Brazil, has been castigated by heavy rainfall in the last two months. Yesterday a dam broke in the state of Piaui killing at least four people. The video below shows a partial bridge that collapsed after the dam break. The media shows every day more and more news about natural…
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IPCC Chief Pachauri Heads Board of Climate-Risk Center
International Research Institute Focuses on Practical Adaptations
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