Lamont-Doherty Earth Observatory7
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You Asked: Lamont and Climate School Experts Tackle Reader Questions on Science and Sustainability
We invite readers to share their most pressing questions about climate, science and sustainability.
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Lamont Paleoclimatologist Maureen Raymo Receives the 2026 Nemmers Prize
Raymo received the award for her pioneering development of hypotheses that explain climate change across Earth’s history, and her educational leadership in the Earth system sciences.
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Geologist Mike Kaplan Named 2026 Guggenheim Fellow
Kaplan studies the ways ice sheets, mountain glaciers, climates and landscapes changed in the past.
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Faculty Spotlight: Decoding the Arctic Ocean’s Chemical Clues
Laramie Jensen’s interest in inorganic and analytical chemistry led her to the ocean. And then to the North Pole.
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Exploring Connections Between Environment and Society
Aynsley Kretschmar, a soon-to-be graduate of the M.A. in Climate and Society program, reflects on the skills she’s gained from her time at Columbia, as well as what she’s most excited about for her future.
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Indigenous Herders and Peru’s Melting Glaciers: A Conversation with Anthropologist Allison Caine
Caine’s new book depicts a small community in the glacier-fed Peruvian Highlands as it navigates climate change and social pressures.
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In Eastern Africa, the Cradle of Humankind Is Tearing Apart
Researchers have found that Earth’s underlying crust in the Turkana Rift region has been significantly thinned, presaging Africa’s eventual breakup—and with that finding, the researchers offer a new perspective on Turkana’s fossil record of human evolution.
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Columbia Beautiful Planet 2026
Once again, we honor Earth Day by sharing some amazing photos celebrating the beauty and magic of our planet, as captured by the Columbia community.
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Climate School Experts on Congestion Pricing’s First Year
Three Climate School experts weigh in on the success of New York City’s congestion pricing program.
COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
