climate change88
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Rising Temperatures Load the Dice for Megadrought Risk
As the American Southwest grows hotter, the risk of severe, long-lasting megadroughts rises, passing 90 percent this century if greenhouse gas emissions continue at their current pace, a new study from scientists at Lamont-Doherty Earth Observatory says. Aggressively reducing emissions can cut that risk.
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Mapping Risks and Building Resilience, from Plot to Plate
Michael Puma, an associate research scientist at the NASA Goddard Institute for Space Studies and a Center for Climate and Life Fellow, works to improve understanding of the fragility of the global food system and how it might respond to major disruptions.
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Red Flags Over the Arctic’s Future
A new white paper reviews climate impacts already underway in the Arctic, and examines further changes expected to take place even if the world meets the goals of the Paris Agreement. It will be presented today at a meeting at the White House of national-level science ministers and advisors from around the world.
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NYC’s Heat Waves: A Harbinger of Things to Come?
As global temperatures rise and heat records are broken, many wonder if New York City’s heat waves this summer were a result of climate change, and if we will experience more of them in the future.
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Climate Week: Why Does It Matter?
Climate Week NYC 2016, Sept. 19 to 35, features over 70 events bringing together business, societal and government leaders to share ideas, technologies, resources and success stories that are helping to curb climate change and transition to a low-carbon society.
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Facing Rapid Change in the Arctic
An expedition to the Canadian Arctic and west coast of Greenland is a moving and motivating experience for Lamont-Doherty Earth Observatory climate scientist Maureen Raymo.
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New Gift Will Bolster Sustainability Research Efforts in China
As part of a generous $2 million donation to Columbia University, the Earth Institute’s Research Program on Sustainability Policy and Management will receive $700,000 to expand its research efforts on sustainability in China.
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Climate Denial and Sea Level Rise
The need to adapt to the current impact of climate change is already obvious in many cities and work is already underway to make cities more resilient to extreme weather events. New York City has begun to implement a resiliency plan that will cost at least $20 billion over the next decade.
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Extreme-Weather Winters Becoming More Common in U.S., Study Shows
This past July was Earth’s hottest month since record keeping began, but warming isn’t the only danger climate change holds in store. Recent years have seen a dramatic increase in the simultaneous occurrence of extremely cold winter days in the Eastern United States and extremely warm winter days in the Western U.S., according to a…
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
