Climate238
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Open House: Earth Institute Undergraduate Programs
Whether you are interested in global poverty alleviation, sustainable development, sustainability management, ecology or environmental policy, Columbia University has a program for you. Attend the Environmental and Sustainable Development Programs Open House from 4-7 p.m. on Monday, Oct. 24, Low Memorial Library, Columbia University (116th & Broadway) to learn more.
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Artificial Trees: Giving Us Time to Act?
Soon after Klaus Lackner met Allen Wright at Biosphere 2 in Arizona, they began dreaming up a way to pull CO2 out of the air. After years of work, the two have come up with a working laboratory-scale prototype…
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New Public Outreach Prize Goes to Earth Institute Climatologist
A major new international prize for public communication on climate-change issues has been awarded to Gavin Schmidt of the Earth Institute-affiliated NASA Goddard Institute for Space Studies. The $25,000 Climate Communications Prize was announced today by the American Geophysical Union (AGU), the world’s largest organization of earth and space scientists. Schmidt, an influential climate modeler who has authored more than…
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Climate News Roundup: Week of 10/09
Nations Heading to Durban Climate Talks Remain Deeply Divided, Oct 10, New York Times U.N. climate chief Christiana Figueres lauded a climate change meeting in Panama as “good progress” this weekend, even as environmental activists warned that the world’s only structure for curbing greenhouse gas emissions appears about to crumble. The next time diplomats meet,…
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The 7 Billion Challenge
The rapid rise in the world’s population to 7 billion — from 6 billion a dozen years ago — poses enormous challenges. In this video, Earth Institute Director Jeffrey D. Sachs talks about the stresses our population already puts on the planet, and the mission of the institute to promote sustainable development.
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Join a Conversation About 7 Billion People
The world’s population will reach 7 billion this year, and the UN estimates continued growth, primarily in less-developed regions. What will this steep population growth mean for our environmental, economic and social systems? Join the conversation on Oct. 17.
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Imagining the Hudson before Humans
Pollution is just one way that humans have transformed the Hudson River. A small way, it turns out. We have altered the Hudson’s shape, the speed of its flow and the mix of plants and trees along its banks. In a new book, Environmental History of the Hudson River, two Lamont-Doherty scientists who contributed chapters—Frank…
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News Roundup: Week of 9/25
Climate Change and the Exodus of Species, New York Times, Sept 26 A team of scientists from the University of York examined the movement of 2,000 animal and plant species over the past decade. According to their study, published in Science last month, in their exodus from increasing heat, species have moved, on average, 13.3…
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Welcome Back, La Niña
The components of La Niña are getting ready to tango. But will their performance break any climate records this time around?

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
