climate change140
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Rolling a 13: Global Warming and Regional Water Management in Pakistan and Russia
On July 28th in Peshawar, Pakistan, it rained more in one day than it had ever previously rained for the entire month. In the face of that kind of event, it’s hard not to think that we are entering unprecedented times. (It is still raining, with forecasts of more to come, with 1,600 people dead—at…
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The Policy Buffet (Part 5): How the Oil Spill Killed the Climate Bill — and Why the Economy Didn’t Help, Either
The climate bill has come and gone. Just two months ago, it seemed as though the bill stood a fighting chance, given the buffet of options available to policymakers.
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Climate and the Border: Why Rising Temperatures Will Add Immigration Challenges
When experts warn of the consequences of global climate change, they usually cite impacts on natural systems. They tell us that ice caps will melt, sea levels will rise, extreme weather will become more common, droughts will increase in frequency, oceans will become more acidic and so on. In recent years, we have also come…
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Beyond Carbon: How Fixing the Ozone Layer Contributes to Climate Change
The greenhouse effect is not all about carbon dioxide. Several other substances, such as water vapor and methane, also play a key part in trapping radiation. Recently, a family of relatively obscure chemicals called hydrofluorocarbons, or HFCs, has entered the spotlight due to its role in global warming. HFCs are highly potent greenhouse warmers –…
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Climate Change and the PR Problem
On Friday, July 9, Dr. Rajendra Pachauri, chair of the Intergovernmental Panel on Climate Change (IPCC), sent a letter to the individuals who will contribute to the group’s Fifth Assessment Report. Part of the memo instructed researchers how to interact with the media, largely in response to growing criticism of the IPCC’s process and reporting.…
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Amazonians Have Shot at Reducing Greenhouse Gases, Says Study
The huge Brazilian Amazon state of Mato Grosso will cut its emissions of greenhouse gases by more than half if it sticks with current plans to reduce deforestation substantially by 2020, says a new study. The research, published this week in the Proceedings of the National Academy of Sciences, uses 105 years of historical data…
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Sustaining Discovery Once Fieldwork Is Complete
Watch a short video about the research of Lamont-Doherty geochemists and learn how you can support it. Researchers from the Earth Institute’s Lamont-Doherty Earth Observatory study the planet’s dynamic earth processes by venturing to the source, whether it be the submerged mountains of the Antarctic, the volcanoes of Southern Italy, or the stalagmite-rich caves of…
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Converging Weather Patterns Caused Last Winter’s Huge Snows
A Warming World Can Still See Severe Storms
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The Policy Buffet (Part 3): As Kerry-Lieberman Fades, a Fresh Start for Cap-and-Trade?
This is the third post in a series that covers the Senates current energy and climate proposals. The introductory post can be found here. The American Power Act (APA), co-sponsored by Sens. John Kerry (D-Mass) and Joe Lieberman (I-Conn), has been seen by many as a paradigm for comprehensive energy and climate legislation. The bill…
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
