CLIMATE, EARTH SCIENCES, PRESS RELEASE
Climate Change Stopped the Next Ice Age
New research shows that 2,000 years ago, remnants of a once-vast Arctic ice sheet began growing again, marking the start of a new glacial period—what we commonly call an ice age. But by the 1960s, global warming had raised summer temperatures enough to reverse that growth.
Recent Stories
-
Climate Change Stopped the Next Ice Age
-
Highlights From the 2026 Open House at Lamont-Doherty Earth Observatory
-
Discover Climate LIVE K12 Sessions for 2026-27
-
Giant Canyon on Mars Is Still Tectonically Active Today
-
Finding My Wild: A Summit for Pride and the Planet
-
Microplastics Are Chemically Active, and Could Cause Biological Harm
-
Critical Minerals, New Energy Sources and the Race for Resilience
-
How Do We Make COP32 Deliver on Climate Goals?
-
Lamont Researchers Receive Major Earth Science Honors from the American Geophysical Union
October 28, 2026 is Columbia Giving Day! Your gift to Columbia Climate School helps advance interdisciplinary research, educate the next generation of leaders, and transform bold ideas into real-world solutions for climate, Earth, and society.
Education & Community
Interactives & Explainers
Upcoming Events
- Thursday, October 22, 2026 3:00 PM – Fri , October 23, 2026 3:00 PM Where: Fayerweather Hall, 1180 Amsterdam Ave., New York, NY 10027 Description: There is an urgent need for more sustainable and resilient systems of natural resource management as anthropogenic climate change pushes communities across the world into greater precarity. However, the scientific tools used for understanding this […]
- Thursday, October 22, 2026 2:00 PM – 3:00 PM Where: Allan Rosenfield Building, 722 W. 168 St., New York, NY 10032 Description: The P20 CHART (Charting Solutions for Health Impacts of Extreme Weather) Center and the Center for Achieving Resilience in Climate and Health (C-ARCH) will host its seminar on climate and health October 22, 2026. Dr. Kai Chen, Associate Professor of Epidemiology […]
- Thursday, October 15, 2026 5:00 AM – Thu , November 5, 2026 12:00 PM Where: Online Event Description: How did humanity become so interconnected, and what can that history teach us about building a sustainable future? The Ages of Globalization with Professor Jeffrey D. Sachs is now open with new offerings on Columbia Plus. Over seven ages, from ancient empires […]
Viewpoints
Latest Comments
never hurt the earth. it is home for all animals
Balance? The climate is always changing as previous comments suggest co2 levels lag behind temperature not the other way around
Media Highlights
- “Regular people get exposed to those kind of things regularly in their daily life,” said Beizhan Yan , a Columbia environmental chemist and a co-author of the study….
- Westervelt, a study coauthor and an associate research professor at Lamont-Doherty Earth Observatory, which is part of the Columbia Climate School. “It reduced particulate pollution inside the congestion zone by a modest amount.”…
- Murray and the team addressed that problem by using the Columbia Tropical Cyclone Hazard computer model created by study co-authors Chia-Ying Lee and Suzana Camargo at Columbia University…
Reading this ten years later, the most durable idea may be that batteries and solar fuels are complements rather than…