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What Yak Herders in Northern Bhutan Are Saying About Global Warming
Yak herders in the Himalayas are observing climate change in action, and it’s one of the factors threatening their way of life.
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Photo Essay: Seeking Humanity’s Roots
East Africa’s rift valley is considered by many to be the cradle of humanity. In the Turkana region of northwest Kenya, researchers Christopher Lepre and Tanzhuo Liu of Columbia University’s Lamont-Doherty Earth Observatory are cooperating with colleagues to study questions of human evolution, from the creation of the earliest stone tools to climate swings that…
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Seeking Humanity’s Roots
Who were our earliest ancestors? How and when did they evolve into modern humans? And how do we define “human,” anyway? Scientists are exploring Kenya’s Lake Turkana basin to help answer these questions.
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Paleontologists Are Unzipping Our Genes
Recently, paleontologists have used genomics to delve into the lives of ancient humans. These studies have capitalized on futuristic techniques to reveal the genealogy, travel plans and sex lives of our ancestors.
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What Anthropologists Can Do About Climate
How can the full range of the social sciences be brought into research on climate change and the search for solutions? The roles of economics and political science seem crucial, since pricing mechanisms and policies are needed to promote mitigation and to support adaptation. Psychology explores the ways to make this problem, often seen as…
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
