History
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How an Adventurous Schoolteacher in the Washington Backcountry Launched the Pacific Crest Trail
New investigations bring the trail’s originator, Catherine Montgomery, into focus nearly a century later.
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Celebrating 150 Years Since the Birth of Thomas W. Lamont
The philanthropic banker donated the estate that now houses the history-making Lamont-Doherty Earth Observatory.
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The Culture and History of Glaciers in the Alps
Why did Europe’s “cursed” glaciers begin retreating in the 1850’s even though the climate record suggests they should have advanced for another 50 years?
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“We All Cherish Our Children’s Future. And We Are All Mortal.”
It is very important that our politics reflect the universality of human experience as well as the distinctiveness of this place we call America. Let’s treasure our common values and distinctiveness and make a world safe for both.
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Mapping Land Claimed by Sea Level Rise
Understanding how coastal areas changed as the ocean rose in the past could help communities protect themselves from storm surge flooding in the future as the oceans warm and sea levels rise.
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Preserving the Origins of Environmental Law for a New Generation of Leaders
In fall 2014, Columbia University, through the School of International and Public Affairs, the School of Continuing Education and the Earth Institute, offered a never-before-taught class on “The Origins of Environmental Law.” While many courses teach the fundamentals of environmental law, this course spoke to the people and politics behind the creation of the legislation.…
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In Log Coffins, First Glimpses of a Mysterious Asian People
The group traveled by boat, motorcycle and finally by foot through the forest to reach cliffs where burials lay. At one site, 20 feet off the forest floor was a ledge protected by an overhang, where lay a row hollowed-out logs, along with ceramic jars.
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
