Sustainability75
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From Columbia to Climate Adaptation Director: Alumnus Jon Philipsborn
A graduate of Columbia’s Environmental Science and Policy MPA program tells us about his job as a climate adaption practice director at AECOM.
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Environmental Protection in a New Age
Paul Gallay, president of Riverkeeper, sheds light on natural resource conservation, holding the government accountable, and how to get involved in environmental preservation at this crucial time in history.
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Is There a Human Right to Land?
For people around the world, land is a source of food, shelter, and livelihoods. Given their importance, land rights are surely human rights—right?
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In Biblical Land, Searching for Droughts Past and Future
Human-influenced climate warming has already reduced rainfall and increased evaporation in the Mideast, worsening water shortages. Up to now, climate scientists had projected that rainfall could decline another 20 percent by 2100. But the Dead Sea cores suggest that things could become much worse, much faster.
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Exhibit Shines Spotlight on Female Grassroots Activists in Mozambique and New York City
Photos and quotes from women peacebuilders highlight their fears and accomplishments.
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The Sharing Economy is Transforming Sustainability
During a talk on Wednesday, panelists discussed the benefits and challenges of this emerging industry.
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The Human and Financial Cost of Pollution
We need to ensure that our air, water and soil is free of poisons and to do that we need to take pollution control more seriously than we do today. Many industries have found that environmental regulation is compatible with long term production and profits.
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Contemplating Green Infrastructure in Blue Island, Illinois
Students embark on a field trip to learn about flooding and the challenges of urban resiliency in Chicago and Blue Island, Illinois.
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3 Uses for OpenLandContracts.org
Kaitlin Cordes from the Columbia Center on Sustainable Investment shares some of the ways she uses this repository of investor-state contracts.

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
