Press Release2
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A Chaotic Mars-Earth Planetary Cycle May Have Contributed to One of Earth’s Major Warming Events
New research shows that the Mars–Earth orbital cycle once had a 1.6-million-year cycle that coincided with major climate swings.
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Air Pollution Cuts in East Asia Likely Accelerated Global Warming
A new study finds that some forms of air pollution in the atmosphere have helped shade the Earth’s surface from the sun’s energy.
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Rivers Choose Their Path Based on Erosion—a Discovery That Could Transform Flood Planning
A new study offers insight into natural hazards and river restoration, potentially guiding infrastructure projects ahead of disasters like the recent Texas flooding.
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Global Climate Risk Index Ranks 188 Countries by Vulnerability and Access to Finance
Columbia Climate School identifies 65 “red zone” nations across four separate climate scenarios. The index helps close the gap between risk assessments and funding allocations.
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African Societies Survived Climate Shifts for Millennia by Diversifying How They Lived
New research sheds light on how communities adapted to past climate change, offering lessons for current and future challenges.
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More and More People Missing From Official Census Data
Foreign aid cuts will worsen “quiet crisis,” according to experts.
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All of the Biggest U.S. Cities Are Sinking
From the coasts to the interior, urban areas are sinking. The main culprit: pumping of groundwater.
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Lamont-Doherty Mourns IT Exec and Entrepreneur Edward Botwinick BS’58
The former university trustee was an early leader in data communications and a steadfast supporter of Lamont-Doherty Earth Observatory.
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Sabin Center’s Online Tracking Tools Monitor Government Actions on Climate Change
Since 2017, the Sabin Center for Climate Change Law has documented policies that restrict or expand initiatives in science and climate.
During COP30—the 2025 UN Climate Change Conference taking place November 10–21 in Belém, Brazil—experts from Columbia Climate School and Columbia University will be contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
